AnsweredAssumed Answered

990fx chipset. AMD AHCI driver not installing on Windows 10.

Question asked by jhsenth on Aug 20, 2015
Latest reply on Aug 26, 2015 by beetle

Have Asus Crosshair V 990fx chipset.

Fresh install windows 10 pro with new Samsung 850 evo 500gb.



Bios in AHCI with latest bios.

fresh install windows 10.

Catalyst 15.7.1 Gpu driver and chipset driver installed.


Under storage controller in device manager does not have AMD ahci Driver.

only Microsoft Storage Space Controller.

My seq Read and write is same as spec of 520/500 range. but my  SSD IOPS on 4k is very low. Cant get over 60k Iops 4k. where it should be above 90k.

Want to figure out this problem to get full benefit of my SSD.

anyone having the same issue?