We would like to thank the following companies for supplying and supporting us with our test system hardware and equipment: Intel, ASUS, MSI, Western Digital and Corsair.
On the testbed front you shouldn't see anything out of the ordinary as we use our i7 3960X CPU along with our 2600k and FX-8150 to help round out the CPUs needed for the motherboards in our comparison line up today.
There's not much else that needs to be said as everything above is fairly self-explanatory and the boards we're using today in our comparison will be seen in the graphs for the next page. So with that said let's get into the overclocking side of things to see just what the Sapphire PURE Black X79N was capable of doing.
Heading into the BIOS, the first thing we tried to do was move to a 1.25 BCLK divider that pushes our BCLK to 125. Like a lot of motherboards we test, this didn't want to work, so we just headed back and moved in on fine tuning the multiplier instead.
The first number we jumped to was 45x and that brings our CPU in at 4.5GHz which wasn't an issue for the board. We started to move up 1x at a time on the multiplier and as you can see below we ended up at 4.6GHz.
While 4.6GHz was what we ended up with when it came to our system being 100% stable, we found ourselves getting into Windows as high as 4.8GHz via a 48x multiplier. While we had some success in some applications, MediaEspresso which is the one that tends to kill our overclocked CPUs due to the immense load it places on all the cores.
Overall, though, a 4.6GHz overclock is a good one and it lines up with a lot of other companies that see an Intel X79 based overclock of between 4.5GHz to 4.7GHz.
Let's get started!
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