NVME Write speed extremely low.....

F

ffsfef

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Apr 23, 2017
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I run windows 10 and use the MSI MEG ACE Z390 motherboard. I am struggling to understand why my NVME drives write performance is abysmal. Ive done a fresh install of windows which did not resolve the issue.

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The latest intel chipset drivers are installed as well.
 
ChoGGi said:
Want to post the rest of your system info?
Click to expand...


CPU: 8700K
RAM: 32GB 3200MHZ
Boot Drive: MyDigitalSSD BPX 80mm (2280) M.2 PCI Express 3.0 x4 (PCIe Gen3 x4) NVMe MLC SSD (240GB)
Secondary Drive: 2x 500GB Samsung SSD (RAID 0)
Motherboard: MSI MEG ACE Z390 (Latest BIOS)
Windows 10 all updates applied
 
hmm, going by their page which also happens to have crystal bench pictures you are a bit low
https://mydigitalssd.com/pcie-m2-ngff-ssd.php#80mm-bpx-m2

They mention a stornvme driver, do you have that installed?
Test Environment: ASRock Extreme6/3.1 / Intel Core i7-4790K 4.0GHz / 16GB RAM / Windows 10 Pro 64-bit / Ultra M.2 Slot. Driver: stornvme.

Grab a copy of Crystal Disk Info and see if the transfer mode is x4
Clipboard01.png

Edit: I see stornvme is the MS one, so ignore that
 
Last edited:
Wow the specs say 2600 and 1300 (read/write) - so yeah that is definitely not running right.
 
He's got the 240 bpx, that's showing 2800/1400 for it, though the image also shows the D: partition so I assume it isn't contending with windows or any other programs slowing it down (not that you'd expect such a slow down).
 
I bought a new Samsung 970 500GB stick and im back at full speed. Perhaps something was wrong with the old one


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Good to hear you got it sorted out, man. DOA and/or otherwise broken on arrival just happens sometimes.

As for the Samsung, good choice! I've used a bunch of those up to the 960 series and never had a problem. I think I'm gonna pull the trigger on a 970 for another build soon, maybe during Black Friday / Cyber Monday. Usually some deals will pop up as we head closer towards Xmas!
 
I have the SAME issue with my Samsung 960 NVME 500GB SSD... Here are my CrystalDisk Results.....

TBxFxMx.jpg


Specs:
CPU: Corei i7 8700K
RAM: 32GB 3200MHZ
Boot Drive: Samsung 960 NVME
Motherboard: ASUS Z-370K
OS: Windows 10 x64 (updated)

any thoughts as to why its performing is so piss poor?
 
Figured out what the issue was...


I Had to change BIOS settings from SATA to PCIe & from 2 lanes to 4 lanes.. and now the speed are entirely different...

ZynN9s5.gif
 
Some older bios have the nvme ssds set to AHCI for less issue with support issues with Windows 7 (so it boot on Windows 7 with no drivers needed as a lot of people just stuff to work out of the box on default motherboard settings)
 
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