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Reeven Ouranos RC-1401 Review


Reeven Ouranos RC-1401 Testing:

Testing of the Reeven Ouranos RC-1401 will be accomplished by installing the cooler into the test system case, rather than a test bench. Most systems are built and mounted into a (relatively) sealed chassis, so this method will be used to generate the idle and load results to give a real world view as to the cooling performance one can expect, based on the test system listed below. Of course, your results may vary by several degrees due to case design, case fan placement, and ambient air temperature. The CPU load is generated by Prime 95 version 27.9 for a period of two hours, with a cooldown period of one hour after the computer has returned to an idle state. Real Temp 3.70 is used to log the temperatures with the highest and lowest averages across the four cores of the Core i7 4770K test CPU. Ambient temperatures are kept at 24 °C during the testing to minimize the effect of temperature variations. Each cooler is tested with the manufacturer-supplied thermal compound as delivered.


Testing Setup:


Comparison Coolers:











At stock idle, the Reeven Ouranos RC-1401 keeps the 4770K CPU at 27 °C with the included fan, which is fine. Under a load, I was expecting to see temps in the low to mid 70's, but temp only jumps to 70 °C, so I was impressed on how the Ouranos handles a non-overclocked load. I wonder if I will see the same performance when the heat gets an overclocked bump?

As for overclocking, we are at 35 °C at idle, which is again, just fine and puts it eight degrees warmer than stock idle. When I crank up the overclocked load, things heat up and I was expecting the temps to push into the 80 °C range, but much to my surprise, we top out at 76 °C! That is dead even with the much larger (and more expensive) Noctua D15. I can't believe that this cooler is posting such good temps, so I reset the overclock and retested (twice), and I got the same results. Fan noise was not bad - you can hear it spool up when the heat is on, but under normal loads, it is quiet.

Why not add a second fan and see what happens? The Ouranos comes with extra fan clips, and I happen to have an additional fan that I can borrow from the Okeanos (which is next on my review list). I add the extra fan and the results, again, mirrored the D15 with a drop of 1 °C. So what is going on here? Is the Ouranos that good? Well, it certainly seems to be, and remember how it uses the two monster 8mm heat pipes in the center of the base, flanked on either side by two 6mm heat pipes, and the way the heat pipes are oriented in the fin stack? I suspect that this is a winning combination. Clearly Reeve has done their homework.

  1. Reeven Ouranos RC-1401: Introduction & Closer Look
  2. Reeven Ouranos RC-1401: Closer Look (Continued)
  3. Reeven Ouranos RC-1401: Specifications & Features
  4. Reeven Ouranos RC-1401 Testing: Setup & Results
  5. Reeven Ouranos RC-1401: Conclusion
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