Enable the write caching function of the NVMe device

Please follow the steps below if you are a Windows 10 or Windows 8.1 user.

Step 1

Settings → About → Related settings Device manager

Step 2

Click the drives icon

Select NVMe drive and right click to select the  Properties from the menu.

Step 3

Policies →Write caching policy

Tick (✓) the option "Enable write caching on the device (W)”

Speed test result:

Write caching not enabled (Example: M8Pe)

Write caching Enabled (Example: M8Pe)

If you work SSD drive’s performance by AS SSD Benchmark, please tick (✓) on the option of Windows Write-cache buffer flushing (F) due to compatibility of AS SSD Benchmark.

This option is not to be ticked for normal use except for estimating SSD drive’s performance by AS SSD Benchmark. Hence, please disable the Windows Write-cache buffer flushing (F) once you finish benchmark test.

Test Platform:

CPU: i7-6700K

MB: GIGABYTE GA-Z170X-UD5 TH

DRAM: 16GB

SSD: PX-M8PeG 256GB

OS: Windows 10 Pro 64-bit

Test APP: CrystalDiskMark v5.1.2