|Item model number||RL-KRX61-01|
|Item Weight||4.51 pounds|
|Product Dimensions||11 x 1.1 x 5.5 inches|
|Item Dimensions L x W x H||11.02 x 1.06 x 5.5 inches|
NZXT Kraken X61 280mm All-in-One CPU Liquid Cooling System (RL-KRX61-01)
|Price:||$109.99 & FREE Shipping|
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- World's first Integrated Variable Speed Pump
- Bigger radiator: 36% More Surface area
- CAM Software Kraken+ :Integrated Hue and digital fan control
- Extended 16" tubing and premium black sleeved cables for easy installation and improved air ow.
- Powerful, quiet, and durable new FX 140 V2 water-cooling PWM fan tuned for radiator cooling.
- compatible CPUS: INTEL SOCKET 1150, 1155, 1156, 1366, 2011, 2011-3 Core i7 / Core i5 / Core i3 / Pentium/ Celero; AMD SOCKET AM2, AM2+, AM3, AM3+, FM1FX / Phenom / Phenom II / Athlon / Athlon II / Sempron /A-Series APU
- World's first Integrated Variable Speed Pump
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From the manufacturer
The Kraken X61 takes our industry-leading 280mm platform to new heights by bringing the latest in cooling hardware and software technology directly to your PC. It is the first consumer closed loop cooler with an integrated variable speed pump. The variable speed pump keeps noise to a minimum during use without sacrificing top end pump power. Our legacy Kraken Control software has been replaced by our all-new software suite, CAM. NZXT CAM allows you to control your Kraken X61's fan speeds, Hue lighting, and other custom cooling settings. CAM also supports multi-Kraken systems natively, allowing you to designate a Kraken as a CPU or GPU cooler and link the fan/pump performance to those specic components.
Top customer reviews
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The only issue I've had with this color is the included fans feel like they could be a bit better at pulling/pushing air. At the time of writing this, I have since replaced them with two Corsair SP140 fans. I noticed some drops in temps with those fans over the NZXT supplied fans. I think this is more of a preference issue, so I felt no need to knock a star off of this review for that reason.
All in all a great product from a great company. I will always swear by this brand.
Radiator Mounting - This AIO was a tight fit in my NZXT S340 case however, you can only install in a push thru configuration at the front of the case. This is due to the radiator interfering with the power/usb panel at the top of the case. I wanted a pull thru configuration for easier cleaning of the radiator but it's not that big of a deal (for me). Another nitpick is since the case mounting screws for the radiator are round instead of flat it prevents the magnetic dust screen from sitting flush at the front of the case.
Pump Mounting @ CPU - The rear bracket is plastic and flimsy, but everything bolted together easily. I did notice a lot of play between the mounting studs and rear bracket (more on this later). The included thumb screws are nice and easy to put on though I noticed they bottomed out (more on this later). However the pump seemed tight on the cpu and everything went together easily.
Performance - Upon power up and running HWMonitor temps seemed fine at idle, but under load they were worse than my 212. I remounted the pump on the CPU several times with fresh thermal paste with no change. I figured since the thumb screws were bottoming out, the copper plate on the pump wasn't making good contact with the CPU even though it seemed tight. I used some washers on the back plate and which reduced the play I mentioned earlier. The thumb screws didn't bottom out this time and I got the pump snug on the CPU. Finally, my temps were slightly lower at idle and much lower at load (15-20 deg lower). This was really a frustrating experience, but the reward for overcoming the problems was great.
Sound, CAM Software & Setup - Holy sh%t those radiator fans are loud. With all of the power cables hooked up per NZXT instructions, the cooler was very effective and very LOUD. The issue is the NZXT CAM software managing the cooler doesn't control the pump and fan speeds separately. So, even in silent mode the fans duty cycle was too high and still very noisy, forget about performance mode. This is what I did for this problem,
1. Unplugged the pump from the CPU fan header on the motherboard and plugged it into an adapter off my power supply.
2. Plugged the radiator fans into the CPU fan header and spare fan header on my motherboard.
3. All other connections stay as is.
This let me use the CAM software to adjust pump speed and use the BIOS on my motherboard to set the radiator fan speed. My final config was pump at 100% fixed speed and fans at 30% fixed speed (the fans at anything above 40% were just too loud). This setup allows me to run at 4.5ghz with lower temps than my air cooler was providing at 4.3ghz. I'm confident I could have achieved a higher overclock but I was really bumping up the voltages to stay stable so the cooler was not the limiting factor here.
The pump is very quiet, no grinding as mentioned in other reviews. I'm hoping to get a solid two years out of it.
Conclusion - Unless you are experienced at building computers or feel like you can overcome some problems I would pass on this cooler. Maybe the newer model X62 resolves these issues. I purchased this since I was already running the CAM software with other NZXT components and it was $40 cheaper than the newer model. Also, the instructions included are really inadequate as mentioned in other reviews.
I'm only subtracting one star for all the problems since it works so damn good.
Temps are super nice though and keeping my processor at 20 deg celsius at idle and around 48c under full load. It has good software (CAM) as well to control the RGB colors and OC.
- Amazingly quiet
- Changeable colors
- Assistant software (you have to download it, no packaged CD or DVD) is actually useful and good (honestly shocked by this.) Got to drop some other monitoring tools, freeing up bandwidth. Even includes logging for games so you can see graphs of how everything ran (includes video card stats too!) Got a much better overview of what I could do to improve system than I've had before.
- Processor is running cold. Nice.
- Pain to install on some cases. Check compatibility with your case. Although there's some hacks to make it work with some non-complaint cases.
- Radiator fins are easy to dent, like an old air conditioner. A couple of rigid cross-bars protecting them on one side might be nice so you can set it down while working.
- Documentation is "online for AMD processors"... when I'm putting it together and get to the point to where I need the manual, MY COMPUTER IS OFF ALREADY!
- uses up a USB connection on the board. Luckily I had a spare, would have been worried if I didn't. Glad I didn't buy this one for my wife for that reason as her USB board connections are all used up.