A big thanks to Corsair for sponsoring the case, fans, SSD, USB drive, and PSU!
This is the new test bench, and it is designed to test every aspect of the motherboard and IO. I have designed it so that the motherboard sits in a case and is cooled by fans always on at a constant rate to keep the conditions similar for all tests. I have cut out part of the case behind the motherboard so I can get thermal images of the back of the PCB where the VRM heat spreads. System and CPU power measurements are now digitally logged.
I am also using a Netgear Nighthawk X4 AC2350 for our network (including wireless AC) tests. The latest M.2, SSD, and USB technologies are also being utilized to test the maximum potential of the motherboards that are being tested.
So for the benchmarks and overclocking things aren't typical. First off there is only 1 GPU instead of 2, and there are only 2 DIMMs instead of 4. This means that overall performance in gaming benchmarks and memory benchmarks is going to take a huge hit compared to other X99 systems. When I first started reviewing for TweakTown I only had one GTX 980, so I have gone back and removed the SLI results and added in the original single card results from previous reviews. However memory is still half the density and half the channels as other boards in the benchmarks (except the sole Z97 board).
In this section, I will go through overclocking this board.
Max CPU Overclock is found by setting the VCore to 1.5v, Input voltage to 2.1v, cache voltage to 1.15v, booting with a CPU multiplier of 45x and disabling any features that would result in CPU frequency fluctuation. I then proceed into Windows and use software to increase the multiplier; in this case I opted to use ITXU.
4.9GHz was my maximum overclock which is kind of impressive considering the cooling.
Maximum AIDA64 Stable Overclock (BIOS settings below for this):
I wasn't able to pull off my normal 4.5GHz overclock because of the cooling. Anything over 1.25v and the CPU would overheat because of the low profile cooler. Even 4.2GHz is pretty impressive for this system. The VRM wasn't the limitation, so with better cooling, I am sure you can hit the same high overclocks as a normal ATX board.
Boards with the extra pins in the socket can overclock the cache further; on the X99E-ITX/ac I was able to OC the cache to 4.4GHz, while the core was 4.7GHz. Cooling was the issue; I could have hit 4.5GHz if I could have used my watercooling.
I recommend that people who buy this board for overclocking buy the Cooler Master Seidon 120V, as the board comes with an adapter to make mounting the AIO water cooling unit possible.
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- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and the X99-Pro]
- Page 3 [X99E-ITX/ac Circuit Analysis]
- Page 4 [BIOS and Software]
- Page 5 [Test Setup and Overclocking]
- Page 6 [CPU, Memory, and System Benchmarks]
- Page 7 [System IO Benchmarks]
- Page 8 [Temperature and Power Consumption]
- Page 9 [Final Thoughts]
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