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  1. Yesterday
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  3. So i bought MSI Mag Z390 Tomahawk mobo and 2 Corsair ML120 Pro vents. I already have Corsair RGB Cable for MSI and a Corsair RGB Fan Hub but i cannot find JCorsair1 slot on my mobo. How is it posaible that brand new mobo does not have that? Can anyone help?
  4. Welcome to the 280 hertz (Hz) era! The TUF Gaming VG279QM HDR Gaming Monitor with yet the fastest refresh rate of the current market in the turn of the of this decade. The VG279QM boast a 280hz refresh rate when overclocked at 1080p. This In Plan Switching (IPS) Monitor with a 1ms response time, compatible with Nvidia and Radeon cards alike with G-Sync and Adaptive Sync support. ASUS TUF Gaming VG279QM Monitor Specifications INCLUDE: Panel Size: Wide Screen 27.0"(68.47cm) 16:9 Color Saturation : 99% sRGB Panel Type: IPS True Resolution : 1920x1080 Display Viewing Area(HxV) : 597.6 x 336.15 mm Display Surface: Non-glare Pixel Pitch: 0.311 mm Brightness(Max) : 400 cd/㎡ Contrast Ratio (Max) : 1000:1 Viewing Angle (CR≧10): 178°(H)/178°(V) Response Time: 1ms (Gray to Gray) Display Colors: 16.7M Flicker-free : Yes HDR (High Dynamic Range) Support: Yes (HDR-10 ) Refresh Rate(max) : 280Hz(overclocking) Trace Free Technology: Yes Color Temperature Selection: 4 Mods GamePlus (Modes): Yes (Crosshair/Timer/FPS Counter/DIsplay Alignment/Sniper) Low Blue Light: Yes HDCP (High-badwidth Digital Content Protection) Support: Yes GameVisual: 7 Modes (Scenery/Racing/CINEMA/RTS/RPG/FPS/sRGB modes/MOBA Mode) Multiple HDR Mode: Yes GameFast Input Technology Shadow Boost ELMB (Exteme Low Motion Blur) SYNC Dynamic Shadow Boosting This panel includes one DiplayPort 1.2, two HDMI 2.0 and one 3.5mm mini-jack. For those who prefer speakers, it comes with 2W x 2 Stereo RMS mounted on the rear of the Panel. Currently this Panel is selling on the international market for ¥3699.00 or $500.00. This blazing fast monitor is set to release January 13, 2020. RTX ON ALWAYS. Sources: https://www.asus.com/Monitors/TUF-GAMING-VG279QM/overview/ https://item.taobao.com/item.htm?spm=a312a.7700824.w4002-1830680708.29.2e6534c9pg0iMt&id=608938624497 https://wccftech.com/the-fastest-1080p-gaming-monitor-the-tuf-gaming-vg279qm-280hz/
  5. Chinese President Xi Jinping has decided to pull all foreign technologies from Chinese government offices. It's going to be a serious scramble to replace the growing amount of technologies that depend on international cooperation to produce, and require domestic technologies be implemented instead. The plan is to replace 30% in 2020, 50% in 2021, and the remaining 20% in 2022. This may sound like a huge, unreasonable, daunting task, but that's because it is. The "trade war" between Trump and Jinping is not something I view positively. There is no need for this kind of aggressive posturing. Trump banned US companies from doing business with the Chinese telecoms company Huawei this year, which giants Google, Intel, and Qualcomm, announced they'll discontinue cooperative efforts with Huawei. Trumps goal is to undermine Chinese technology by cutting China off from western knowledge. The two economic super powers are looking at a battle for technological advantage over the next 20 years. 20 to 30 million pieces of existing hardware are to be replaced in this purge of foreign equipment. They're going to have a very difficult time implementing this change, as most of the software in use now depends on US based Operating Systems like Windows, and even Lenovo, a Chinese company, uses hard drives and processors that come from American companies. Huawei has been planning for this kind of issue for years according to Hu Xijin, Chinese Global Times newspaper editor. "Chinese people will no longer have any illusions about the steady use of US technology." In regards to cooperation, progress, and improving the planet for everyone on it, both the Chinese and US governments fall drastically short. China is under investigation for illegal organ harvesting, stealing human beings and chopping them up to sell parts. Also, last year, Jinping removed the term limits for his office, so that he may be re-elected indefinitely, instead of forced out after two 5 year terms. Times like this make me think of how very very far we are from the kind of future Gene Roddenberry created in the Star Trek universe. A little cooperation, compassion, and justice for the smallest of voices, go a long way toward making the world a better place.
  6. After my failed attempts at snagging a Ryzen 3950x 😥 I have decided to find a topic I have yet to see covered. Today I will be discussing voltages, not just any voltages but the overall average of the AMD Ryzen 3900x. I do not have all of the Ryzen 3000 series processors to work with but in theory this should be the same for all Zen 2 architecture with CCD controls. I'm not sure how many people run cryptocurrency on their main rigs while they sleep or while at work, but I for one do. One of my biggest concerns is my rig will shut down while I'm asleep or away from home and I will lose out on free money. Yes I am also aware that it isn't technically free since I pay for electricity... And this brings me to voltages of overclocking vs underclocking. Ryzen Master is my computers best friend and greatest tool in my arsenal since becoming a Zen 2 owner. Not only can I overclock or underclock but I have total control of which cores or chiplets I want active or not. So while I'm asleep or away from home my computer runs cryptocurrency, basically 24/7 as long as I'm not doing anything too strenuous on my cpu/gpu. The first week after having my new 3900x I would underclock my cores too 600MHz and walk away thinking I was saving energy. Boy was I wrong, in fact it turned out to be the complete opposite. I will start here by showing the lowest clock speed of 600MHz at stock voltage. As you can see from my screenshot the average core voltage is 1.3v which at first glance may seem low compared to the peak voltage of 1.41v that each core can hit, if needed. The temperatures are excellent and I couldn't complain one bit for an old Corsair H100 that I'm fairly certain isn't manufactured anymore. What is concerning is that all cores are active at such low clock speeds. This is what got me thinking, just how deep does the rabbit hole go? I needed to first lay down some ground work on how I will be measuring my results and which measurements I would take. Since I do not have a spare rig for a fresh install to make comparisons I would just need to make due on what I have. To make everything fair I shutdown all nonessential software and stopped all background activities during the times I took measurements. Yes even the RGB was shutdown and the entire room went near pitch black. Each of the captured screenshots were taken after I cropped the previous and checking task manager for any looming background tasks that might affect the testing. This is what I did, I kept stock voltage and raised the clock speed of all cores by 1,000MHz and let the computer sit for 60 seconds to calm down. 1,000MHz the average voltage used is sitting at 0.9v. 2,000MHz the average voltage used is sitting at 0.67v. 3,000MHz the average voltage used is sitting at 0.53v. 4,000MHz the average voltage used is sitting at 0.47v. As we go up in frequency you begin to notice 2 things right away. First the drop in average core voltage and second more and more cores are being put to sleep. So why is that exactly? Think of it like having an entire crew full of workers, when there is work to do everyone is busy, when there isn't work to do, the boss calls people off work. This happens in the background and it required AMD to configure special software with a special set of parameters to handle this massive task. Doing these comparisons has shown me that if I want to cut back on my voltage, pushing a higher clock speed would be better. You see there is always some work to be done and it must be done in a timely manner. Having a high clock speed ensures that all of the work, while sitting idle can be done fast and efficiently. When you have lower clock speeds but the same amount of work to complete in a given time, you need more cores and thus the average voltage rises. Thankfully my cryptocurrency of choice doesn't use much processing power to run and will ultimately use less energy. I can't say the same for my gpu because it is maxed out to the fullest overclock speeds I could manage. But I do have one more screenshot to show and it is using the least amount of voltage at idle. An all core overclock to 4,400MHZ and it's stable according to AIDA64 and Cinebench R20 which are both very good software for picking out faults in overclocking a cpu. Talk about silicone lottery. Yes it does run hot when pushed to full load for longer than 60 seconds, but that isn't anything a larger AIO would't take care of. For now I just want to point out that the average core voltage is at it's all time low of just 0.38v with the same amount of sleeping cores as the previous clock speed. Do you have any Ryzen Master secrets to share? Let us know in the comments and don't forget to bookmark pcmr.tech for future articles.
  7. Mikhail Kalashnikov is one of the greatest small arms designers of the 20th century. Kalashnikov was born in a small town named Kurya, Altai Governorate in Russia November 3rd 1919. His family was deprived of property and deported to the small village of Nizhnyaya Mokhovaya. Kalashnikov suffered from many illnesses and when he was six he was on the verge of death. He like to see all kinds of machinery but dreamed of becoming a poet. Fast forward to 1938 Kalashnikov has been conscripted into the Soviet Army. Kalashnikov has been assigned to a T-34 tank of the 24th Tank Regiment, 108th tank division in Styri. In June 1941 Kalashnikov was wounded and sent to a military hospital. during his time in the hospital he heard some fellow comrades talking about how there weapons would jam, stop working, and fail catastrophically in which were highly known to have issues with them. When Kalashnikov was discharged he immediately went to work on a sub-machine gun. It was not acceped for various reasons. his work didn’t go unnoticed though as the state assigned him to Central Scientific development Firing Range. In 1944 Kalashnikov designed the grand daddy of assault rifle, the AK-47. Now today we can find the Kalashnikov in our video games, movies, music videos, etc. Kalashnikov has had a great impact to the world and we lost a great engineer 6 years ago this month of December. He has changed the world with many designs of small arms and has given the gaming community an iconic weapon in games like the Call of Duty franchise. Author: Eric A Hunter
  8. Cyberpunk 2077 has been riding a hype train for quite some time now. The next bit of hype comes from a seemingly small detail, that's got everybody thirsty as hell. Redditor Shavod posted a summary of the Q and A from the event. Lots of details were discussed, from the items NPCs carry to the way Ray Tracing is used to mimic the traveling of sound waves for more dynamic sound. The part that has received the most attention, was the smallest detail, motion capture for sex scenes. One can only hope this hype train leads to the promised game, and we don't have another under-delivered game fiasco like the notorious No Man's Sky launch in 2016. Are you excited for this game? Do you have concerns about it? Create a free PCMR.Tech profile and let us know in the comments!
  9. IT Security and why it affects you A little background I’ve been interested and active in IT since I was 14 years old so a little over 23 years of dabbling or working in IT. I have learned a few life lessons in that time that I would like to share with you to hopefully help you ensure your accounts and online presence stay secure. Strong Passwords: This is a no-brainer if you have a hard time remembering strong passwords it may be worth it to look into a password manager such as LastPass, Dashlane and the myriad of others out there. Web browsers: keep it up to date, whatever browser you use make sure it stays up to date. Plugins and Add-ons can help but they can also hinder. I have personally started using Brave Browser for 95% of my web browsing needs, the benefit of Brave is the built in security it offer by blocking ads, trackers, scripts and a myriad of other features. It was created by two veterans in the IT industry, Brendan Eich and Brian Bondy. If you like security definitely give this browser a look. It is especially nice for smartphone users as it offers the same benefits on Android and iOS. 2FA: Two Factor Authentication should be enabled on everything it possibly can be enabled on. Sure it may be annoying to get a text or have to input a code but it will save your sanity and years of mental well-being. I present to you a story as to why all these reasons and precautions should be taken seriously. This author has dabbled in and mined cryptocurrency for some time now, during the boom of Bitcoin when it reached nearly $20,000 there was a definite craze that was palpable, all the news and online sources were talking about it. Now I personally have always used verbose alphanumeric passwords along with 2FA, and I have a friend who should have but did not. At one point this friend had nearly $75,000 tied up in Cryptocurrencies. One day after waking up from a blissful night of rest due to the ever increasing price of his various coins he read an email that aged him in a matter of seconds. One of his digital wallets tied to his Gmail account had been hacked. While he was dreaming of ever larger profits from his initial investments someone had hacked his Gmail account and found his backup passwords and phrases for his digital wallets that he had conveniently stored in his Gmail account (Never do this, Print these off and delete the emails). Due to not having a strong password and not enabling 2FA he lost around $20,000 in cryptocurrency. The next day he stayed home from work, he called Interpol and after doing some investigatory work he found out the “hacker” was in the UK. The main problem was with the inherent beauty of cryptocurrency, they couldn’t trace the funds that had been stolen. My friend was at the mercy of his own lack of security awareness. After speaking with him on the phone, he enabled 2FA on every account he had he also changed all of his passwords, this was a good move but it was an unfortunate life lesson he had to learn the hard way. In life we often learn the hard way, but there are rare moments where we are allowed to actually learn from the mistakes of others. This story I shared and the many data breeches such as: 2K, Capital One, NordVPN, should be a lesson to everyone that your data is never truly secure. If you have 2FA and there is a data breech where your password is leaked you are in a better spot than the individuals who feel 2FA is too cumbersome. If it is difficult for you to get into your own accounts because of security measures it will make you a less desirable target than others who don not value security. At the end of the day nothing is perfectly securable especially if it connects to the web, but it is worth it to make every effort of making yourself a less tempting target. I also recommend encrypting everything you can and using a VPN, but that is a whole different can of worms we can broach at a later time. If you like podcasts and love IT and IT security you need to listen to Darknet Diaries, this podcast is the brainchild of Jack Rhysider it has been out since October 2017. If you want to hear the nitty gritty of IT security and the many facets ranging from; penetration testing, social engineering and just amazing stories around the biggest hacks of our generation this is the podcast for you. Stay safe out there my PCMR family. If you like this and the other articles written by our team members please contribute so we can continually update the site and bring you ever better content and articles.
  10. WE JUST HIT 50K LIKES ON OUR PAGE! BE SURE TO VOTE ON WHAT YOU WANT US TO DO FOR THIS MILESTONE! https://www.facebook.com/PCMRHUB
  11. I can never avoid going back to Skyrim and Fallout 4, The last games made before they went to shit
  12. Purchase RDR2, Jedi Fallen and Planet Zoo, loved them all but I seem to have put more hours into Planet Zoo than the other ones
  13. Congrats on the website guys, I have been a member of the facebook group for some time and love it, can't wait to see what you guys do with the site
  14. Modern Warfare Datamining reveals 200 player Battle Royale map. Coming soon A notorious Call of Duty leaker Senescallo has posted a map from Call of Duty Modern Warfare after mining through code for any signs of what the future updates may bring. Along with the map a list of perks, killstreaks, points of interest and a full list of zones have been extracted. The 200 player Battle Royale will consist of different modes for solo, duo and squads of four. Respawn tokens Along with this find comes new mechanics for respawning. Respawn tokens are to be looted and respawning teammates now require the use of your tokens. For each teammate that is revived their body must be drug back to the ambulance, this enters them into queue to respawn. The Gulag is the supposed name of the map but it is also a prison camp. Players in the Gulag spectate other players fighting while waiting their turn. A 1v1 match will take place giving each player a chance to win a respawn. Occasionally there will be a prison break which will kick all the players out of the Gulag and back into the match. Plunder A new in-game currency called plunder is what players will use while in Gulag. Plunder can be earned by completing missions and eliminating enemies. You can spend plunder on plunder boxes in certain locations and then it may be converted into experience points by depositing it into an ATM. Be careful with depositing your plunder into ATMs because entering a bank will sound the alarm and alerting other players of your presence.
  15. Let me start by saying, This Is the best combo i have ever had, I have had the Corsair K70 MK2 Rapidfire for over a year now, In this time i have come to learn of all its pros and cons. The switches are fantastic, But holy shit ICUE is a buggy mess. This keyboard has All the things you want in a keyboard. You have Nice Concave Keys that are spaced apart nicely, You have Back-light (RGB) and you have On-board memory for three RGB profiles. the mouse is clicky and has side buttons for page forward/back pages, has Five different DPI modes plus a "sniper" button which brings the dpi down to 400 for however long you hold it, and its also RGB. The Software to get this thing running however, is another story. In my time using this i have had Sporadic issues with Corsairs ICUE software, Every time they push an update it seems to break something, A few updates ago, when Plugging in my SSD, The keyboard would randomly disconnect. I have no idea what made this happen but it did. While the software ISNT crashing, its great, nice UI, easy to use, and most importantly, Easy to control your devices behavior. Some sites i use for my profiles can be found here --- http://alexkrastev.herokuapp.com/users/619804/profiles --- https://github.com/DarthAffe/KeyboardAudioVisualizer
  16. Game studio giant 2K had their Facebook hacked this week, which high lights the importance of 2 factor authentication. I have noticed an increase in the usage of 2 factor authentication options in many apps and websites lately, which I think is a good thing. That little bit of security could mean the difference between an easily dodged hack attempt, and the kind of embarrassment 2K had. We're all for dropping some fucking swears on this site, but I still redacted a few spots. I mean, I'm not a fan of the NBA either... Nublom is a hacker, who I would assume pulled this stunt. After all this nasty business was over and 2K recovered control of their accounts, they issued an apology. " Social media accounts across the 2K label were compromised early Friday evening. Unfortunately, offensive material was posted that does not reflect the values of 2K or our partners. We condemn these posts and apologize to everyone offended by the content. " Have you done a security checkup on your accounts lately? Get some secure passwords, nothing fun, try https://passwordsgenerator.net/ Set up 2 factor authentication on every account that offers it. This includes Microsoft, Google, Discord, Facebook, and many other platforms. Check out our forums and ask questions there if you need some help.
  17. A little background, I remember when the first consumer based SSDs began hitting the market, I remember paying $200 for a 64GB SSD. Since those days, the technology has changed drastically. In my humble opinion, an SSD is the best performance bang for your buck. Sure you can throw $200 and get a 10TB HDD that will store more games that you’ll never play or you can splurge and get a good SSD that will make you smile every time you boot up your machine. For me and my 15+ years in the IT industry Samsung has been the gold standard, sure there are other SSDs that are faster than the mighty Samsung but in terms of real world reliability and dealing with a company that stands behind their warranty Samsung is the best SSD money can buy. This author has so much faith in Samsung SSDs the main Gaming SSD he has is a used 2TB 850 PRO proudly purchased from Ebay. The Pro series for Samsung vs all others is like comparing a Ford Mustang GT to a Mustang Cobra, both cars are legit but one has something that will make you smile a bit more when you’re cruising down the road. The PRO series SSDs use MLC vs the standard TLC or even QLC NAND. The 850 Pro series represented the holy grail of SSD in a 3.5” form factor, the unmatched 10 year warranty should be a selling point unto itself. If that doesn’t deter you think about this, you can buy a used 850 Pro 2tb for ~$200, or you can buy a new 860 Pro for ~$450. You can use the “used” 850 Pro for 7y and you will still be under warranty whereas the 860 Pro would have fallen outside of the warranty period. Now in our IT environment we have started having failures with the old 128GB 850 PRO, these drives have been out in the wild in excess of 5 years, when they do fail Samsung is more than happy to replace them with a new 860 PRO 256GB SSD. We have also started seeing 250GB 950 and 960 EVO SSD fail, upon further inspection each one of these drives has had over 300TB of data written. Per Samsung's warranty this is over 3 times the writes they will warranty the drive for. Think about that and the previous warranties they offered it is almost like Samsung has purposely reduced their warranty period, now why would they do that? In my opinion it is to get consumers to replace their products on a regular time table. For the average user most SSDs will outlive their original intent, meaning most people will sell the computer they bought the SSD for before the drive fails. Just some food for thought for my fellow PCMR members.
  18. Redditor jimmyoneshot posted 18 hours ago that he had discovered a bug in Red Dead Redemption 2 that caused decaying stats to decay significantly faster than they should. This bug was also present in the launch version of Dark Souls 2, when players with better hardware hit higher frame rates, the games decaying items began to decay extremely fast. This may be because the game engine tried to keep time via FPS in the console version which is locked to 30fps. The original post with edits is below: I have reported a few times on the issues surrounding Red Dead Redemption 2, and despite the patches, the list of bugs seems to be growing. Are you having issues with RDR2? Are you a unicorn with no issues? Let us know in the comments!
  19. Phil Spencer, Xbox and gaming chief at Microsoft, spoke with The Verge recently about the power and pricing of Xbox Project Scarlett. He confirmed that they learned some hard lessons from the launch of the Xbox One console, which was less powerful, and cost more, than Sony rival Playstation 4. In regards to the Xbox Project Scarlett launch he said, "...we ill not be out of position on power or price..." He went on to confirm that the team behind the scenes at Microsoft is interested in continuing this gaming-arms race. They do plan to continue developing new Xbox consoles in the future beyond Project Scarlett. He continued, "We're all-in on Project Scarlett and I want to compete, and I want to compete in the right ways which is why we're focused on cross-play and backward compatibility." Let us know your thoughts in the comments below!
  20. The series of watercooling-related articles continues with one which is dedicated to pumps and reservoirs, the reason we are talking about both of them at the same time being that they go hand-in-hand. We'll see why. As mentioned before, the pump is the heart of a watercooling loop, the part that makes the liquid move theough all its parts, transporting heat to the radiators and supplying the waterblocks with cooled liquid. Just like all other parts involved, the pump comes in a variety of types and has certain parameters that need to be taken into consideration. We are going to talk about all these in this article. When looking to buy a pump for your watercooling loop, there are several things to look for. Two of them are important: head pressure and flow rate. Let's see what they mean and why are they important from a watercooling perspective. Head pressure (or, scientifically called, pressure head (https://en.wikipedia.org/wiki/Pressure_head)), in case of a watercooling pump, simply tells us how high can a pump push water inside of a vertical column under normal gravity. In practice, it's measured by attaching a vertical pipe to the pump's output and turning the pump on. The pump will push the liquid up the pipe until a certain point when liquid no longer rises in the pipe. Measuring the length of the water-filled pipe gives us the head pressure of the pump. This parameters is important because, if the maximum elevation of the watercooling loop is higher than the pump's maximum head pressure, liquid flow will not be established. As far as this value goes, bigger is better. Flow rate (or, scientifically called, volumetric flow rate(https://en.wikipedia.org/wiki/Volumetric_flow_rate)) tells us the maximum amount of liquid going through the pump during a specific period of time. In case of watercooling, it is usually measured using liters per minute (or gallons per minute if using Imperial measures). The bigger this parameter is, the better, because it means liquid would flow faster through the loop and will be able to carry more heat away. Another important, but not essential characteristic of a pump is whether it can be PWM-controlled. PWM (Pulse Width Modulation(https://en.wikipedia.org/wiki/Pulse-width_modulation)) is a method to control a pump's speed while making sure it would not completely stop, no matter the PWM value. This type of speed control is very useful because it allows for fine-tuning both the pump noise (we will talk about that later) and the liquid flow that goes through the loop. Some pumps are voltage-controlled, meaning that changing the voltage supplied to the pump will also change its speed, however there is certain risk in using this method, because if the pump is supplied a low enough voltage, it will stop spinning and the liquid flow will stop as well. As for how pumps actually manage to make liquid go, the principle is simple: the liquid enters the pump through the Inlet port (which is usually situated above the impeller), then the impeller pushes the liquid through the Outlet port. The inlet and outlet port locations can vary a bit, however the working principle is the same. Now that we've talked about pump parameters, let's talk about pump types. There are many of them, but two types in particular are the most widely used, and after describing both of them, we will also take a look at a non-comprehensive list of pump types. With that being said, the top two pump types are DDC pumps and D5 pumps. The DDC Pump is one of the oldest designs used for watercooling, and has suffered very little change throughout the years. Relatively small in size, it is an excellent choice for smaller case formats such as HTPC, mITX and mATX, but that doesn't mean it won't successfully support a larger loop as well. Its motor is sitting at the bottom of the pump and can get fairly hot, especially in cramped cases, which is the reason why many DDC pumps come fitted with a small heatsink-like enclosure around the motor. As for its shape, the pump is square, unlike its D5 counterpart. Inside, the only moving part of the pump is a semi-spherical magnetic impeller which sits on top of a ceramic bearing ball, but without touching it. The magnetic force holding it in place is quite strong, however if the pump runs dry (without liquid in it), the inherent unbalancing of the impeller, combined with the fast rotation (a DDC pump reaches around 4500 RPM at maximum speed) and lack of a dampening medium (in this case, the liquid itself) would cause the impeller to vibrate and grind against the center ceramic ball, quickly causing it to wear and break down. Pictured above: a 3D design of the EKWB DDC 3.2 pump with the transparent acrylic top. Note the small heatsink at the bottom. Pictured above: a DDC (top) and D5 (bottom) pump internal layout. The D5 pump has a similar design, however it's larger in size and has different parameters compared to the DDC pump, however, before we get to parameter comparison, we are going to talk about another thing both pump types have in common. The pumps themselves are "naked", so-to-speak, meaning they need to be covered with a pump top before they can be put to work. Simply put, the pump top is a cover which provides the inlet and outlet ports, and fits the pump type. As expected from a mature industry, each watercooling company offers a large variety of external pump designs and pump tops, made of different materials and colors. Popular choices are transparent or glazed tops made of Acrylic and Nylon respectively, or opaque tops generally made of Acetal. Another popular choice, picked by many users because it simplifies the loop and requires less case space is the pump/reservoir combo, which is a single piece containing a reservoir sitting directly above the pump and feeding it with liquid. It is one of the reasons we are discussing about both pumps and reservoirs in the same article. Suffice to say that no matter which combination of pump and reservoir you may choose (combo or standalone), they will work together flawlessly because the ports all follow the same standard size (G1/4"). Pictured above: Heatkiller D5 reservoir combo top (top), EKWB Quantum flat DDC pump/reservoir combos DDC pumps with Digital RGB, 120, 240 and 360mm sizes (bottom). Back to pump parameters topic, here's a table comparing the two main types of pumps, along with the cheaper, lower performance pump type called "SPC". Pump Type Head Pressure (m) Maximum flow rate (L/min) RPM PWM Supported D5 3.9 1500 4800 YES DDC 7 1000 4500 YES SPC 2.2 250 4000 YES As a general rule when choosing the right pump for your PC, no matter whether you choose a D5 or DDC pump, it will do the job exquisitely. The differences between pump types only start to show if you have a very complex loop, and we will talk about that in more detail in a future article. As for reservoirs, pick the one that fancies you most, as long as it is compatible with the pump type you have chosen. In our next article we will focus on CPU waterblocks. Until then, don't forget to read our introductory watercooling article as well as the piece on watercooling components!
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