I use an i750 400 GB PCIe NVMe card for now two years on different W10 x64 PCs.
I have updated regularly the firmware and also NVMe driver from the beginning (v1.1, v1.2,…,v1.5, v1.7 and recently v1.8)
The device is in perfect health:
However, I observed and measured performance is going down each time the NVMe driver version was upgraded !!, and specifically with the last v1.8 recently released.
To be sure of this situation I have run today twice an identical scenario test (under WinRE x64 configuration for practical reason), on the same machine (SabertoothX99), with only changing the Intel NVMe driver version.
Before each test a TRIM optimisation was done with Intel SSD tool.
Here are the figures:
v188.8.131.522: 100 s
v184.108.40.2062: 104 s
v220.127.116.111: 137 s
With ANVIL tests, under W10 x64, I observe also a similar downgrade of the scores.
Does any i750 user’s have also observed a such phenomena ?