Finished my upgrade with a 5820k, AsRock X99 Extreme 4 3.1 and 32 GB Crucial DDR4 2400. The AsRock is a great board overall.
First bootup with only small issue: doesn't recognize DEL keystrokes to enter bios using a USB keyboard, plug my PS2 key in and update the BIOS online directly from inside the BIOS, problem solved, great feature.
Has the X OC socket with extra pins. Currently running a mild OC @ 4.2Ghz with 1.150v core, 1.8v input, 1.0v uncore/cache @ 3.3Ghz. Passed all stress include Prime AVX2/FM3 with max temp of 83C. Zero issues so far. This is one of the best motherboard I've ever had (first AsRock) considering I've used 815, 845PE, KT400, 865PE, nForce 3&4, P965, P35, P45, P55, P67, Z87 and now, X99. Only 2 other boards that satisfied me after the first few days of use are the Z87-A and the P45-UD3P.
4.4Ghz is stable with Prime95 non-AVX, realbench (4 hours), AIDA (8 hours). Max temp 81C but seems like 4.2 is the sweet spot for my setup. Best part is VRM doesn't get hotter than 72C even at 4.4Ghz (measured with infrared thermometer gun).
First bootup with only small issue: doesn't recognize DEL keystrokes to enter bios using a USB keyboard, plug my PS2 key in and update the BIOS online directly from inside the BIOS, problem solved, great feature.
Has the X OC socket with extra pins. Currently running a mild OC @ 4.2Ghz with 1.150v core, 1.8v input, 1.0v uncore/cache @ 3.3Ghz. Passed all stress include Prime AVX2/FM3 with max temp of 83C. Zero issues so far. This is one of the best motherboard I've ever had (first AsRock) considering I've used 815, 845PE, KT400, 865PE, nForce 3&4, P965, P35, P45, P55, P67, Z87 and now, X99. Only 2 other boards that satisfied me after the first few days of use are the Z87-A and the P45-UD3P.
4.4Ghz is stable with Prime95 non-AVX, realbench (4 hours), AIDA (8 hours). Max temp 81C but seems like 4.2 is the sweet spot for my setup. Best part is VRM doesn't get hotter than 72C even at 4.4Ghz (measured with infrared thermometer gun).
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