Read and Write Speed Issues Crosshair IV Formula

[Doc100]

Good day all, Im having some read and write speed issues that I hope maybe someone can help me with, Im runing the Crosshair IV Formula with the 3027 bios and running 4 drives in ACHI, a Seagate Barracuda XT 3TB as my main drive on JMicron JMB36X Controller,2 Seagate Barracuda 1.5TB, ports 5 and and 6, and a Seagate Barracuda 500GB on port 1 and when I run benchmarks on any of the drives I get very low read and write speeds, Im sure its either the way I have it setup on my ports or a setting in the bios im missing so any suggestion here would be very much appreciated, also running sata 3 cables on all ports. Thanks in advance

 

[hokiealumnus]

I'd start by moving your main drive to an SB850-controlled port. After that make sure you have AMD AHCI drivers installed; they'll probably give you a bit better speed than the standard windows driver.