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1. #MICROSOFT STANDARD SATA AHCI CONTROLLER DRIVER DRIVERS#
2. #MICROSOFT STANDARD SATA AHCI CONTROLLER DRIVER UPDATE#

The Samsung 960 EVO, being an NVMe SSD, does not use the SATA AHCI driver. Default Microsoft I get 40 MB/s read for 4K with my Samsung 960 EVO but now it's at 60 MB/s read.

They only have it for Windows 8 / Windows 7 but my 4K scores went up slightly after using the AMD.

#MICROSOFT STANDARD SATA AHCI CONTROLLER DRIVER DRIVERS#

In the AMD chipset all in one package, I installed the AHCI drivers (updated in device manager over Microsoft 2006 ones). That sounds like typical excuses from Samsung about problems with the Magician software. Of course, AMD has multiple AHCI drivers for at least three different chipset now. In the past, the Magician software did not support the AMD AHCI driver until recently. It has been used since Windows 8, and seems to simply be a rename of the older msahci AHCI driver. I'm surprised the Magician software is not recommending the Microsoft storahci AHCI driver.

#MICROSOFT STANDARD SATA AHCI CONTROLLER DRIVER UPDATE#

The Windows 10 storahci driver will be installed during the installation, but you should be able to manually update it in Device Manager. Might that be poor 4K random read and write speed performance on SSDs? You seem to be looking for a Windows 10 AM4 AHCI driver for a particular reason. I am using RAID mode on my X370 board, so cannot tell you what AHCI driver I have installed, since I obviously have the RAID driver installed. It may be difficult finding the AHCI driver among all the files in this download. You have said the 17.10 "chipset driver" but have you checked or used the AMD "All in One" driver package? It's the same version provided with any ASRock AM4 board, so this link is just to the AM4 board I have: