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M.2 SSD NVME Performance

H

Herve

n00b
Joined
Dec 7, 2022
Messages
4
Earlier this year I purchased an ACER TC-1650 desktop that has one M.2 NVMe slot on the motherboard that is used for the system drive. Performing some tests, I learned that the performance of the ACER SSD (WDC SN530) was not performing as expected, The M.2 slot is a x4 slot, but tests using CrystalDiskMark showed the drive reading at about 880MB/s. Although this might show it's only using one lane, while testing I also learned that when I rebooted system the read performance often jumped to 2,650MB/s. The higher speed happed about 30% of the time. Decided to swap out the original SSD with a Samsung 980 device. The performance with this Samsung SSD was similar to the original Acer SSD, but the higher speed was achieved about 80% of the time. It is frustrating trying to get this device to behave consistently, each time I start my computer I run CrystalDiskMark and if the speed is 880MB/s, I would reboot to achieve the better speed.

Also, I did not align the Samsung 980 when I cloned the original device. so using Minitool, I aligned all partitions on the device. Although I still get the lower speed sometimes after starting windows, my higher speed is now 3,150MB/s after the aligning process. Obviously, having an SSD properly aligned has a big impact on performance.

Any ideas as to why I get the inconsistent performance of the SSD? I've updated the driver and reseated the SSD, but still have the issue.
 
look under optional updates in windows update and install any firmware or driver updates in there. afaik, the newest intel chipset drivers come in through there.
 
pendragon1 said:
look under optional updates in windows update and install any firmware or driver updates in there. afaik, the newest intel chipset drivers come in through there.
Click to expand...
Thanks for your feedback. I did do that when I updated the driver.
 
k. next time you boot, do not test the drive, let it sit for 5min and then test. if youre testing right after boot windows is still loading shit in the background and could drag it down. also, is the bios up to date?
 
pendragon1 said:
k. next time you boot, do not test the drive, let it sit for 5min and then test. if youre testing right after boot windows is still loading shit in the background and could drag it down. also, is the bios up to date?
Click to expand...
Thanks, I generally wait 10-15 minutes which should be enough time for things to settle down.
 
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