Question My NVME is running at 800mb max (I need help please)

Apr 7, 2025
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I just bought lexar nm620 nvme 512gb which is capable of 3500mb read and 3000 write
and it's just running at 800mb read/write max
My specs are
I5 11400f
16gb ram
rtx 3060
gigabyte h510m s2v h
also I tried everything realted to drivers and bios and It didn't solve it
and tried the ssd in my friends pc and it ran above 3000mb/s
(sorry for my bad english)
 
Welcome to the forums, newcomer!

also I tried everything realted to drivers and bios and It didn't solve it
For the sake of relevance, what BIOS version are you on for your motherboard?

Per the motherboard's specs's page;
https://www.gigabyte.com/Motherboard/H510M-S2H-rev-10-11-12/sp#sp
1 x M.2 connector (Socket 3, M key, type 2260/2280 SATA and PCIe 3.0 x4/x2 SSD support)
* The PCIEX1_1 slot shares bandwidth with the M.2 connector. When the PCIEX1_1 slot is populated, the M.2 connector supports up to PCIe 3.0 x2 SSD only.

Do you have anything populating the rest of your PCIe slots? What OS are you on?

and tried the ssd in my friends pc and it ran above 3000mb/s
Might want to mention the specs to your friend's system.
 
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Thank's for replying to me and
My bios version are f13
no I don't have anything in the rest of PCIe slots
I'm running windows 10 pro 2009
My friend's specs are
RTX 4060
16GB RAM
Asus prime h610m k d4
 
I just bought lexar nm620 nvme 512gb which is capable of 3500mb read and 3000 write
and it's just running at 800mb read/write max
My specs are
I5 11400f
16gb ram
rtx 3060
gigabyte h510m s2v h
also I tried everything realted to drivers and bios and It didn't solve it
and tried the ssd in my friends pc and it ran above 3000mb/s
(sorry for my bad english)

did you put a nvme heatsink on it.
 
no because it didn't overheat when testing it on my rig or my friend's which it ran at normal speeds

it should be noted that the board only supports 3x2 ssd standard speed but that is guaranteed as the nvme may conflict. they say SSD not nvme speed which is a clever way of not putting a speed to it top speed would be close to 1800 write and read but if the board is conflicting or the drive then its doing what it can.

I believe the board is conflicting with the nvme.

you can check the manual on the website link

Lutfij provided.​


it states in the manual what i have said.

i stand by my statement for long writes i would recomend a heatsink for longevity.
 
I just bought lexar nm620 nvme 512gb which is capable of 3500mb read and 3000 write
and it's just running at 800mb read/write max
My specs are
I5 11400f
16gb ram
rtx 3060
gigabyte h510m s2v h
also I tried everything realted to drivers and bios and It didn't solve it
and tried the ssd in my friends pc and it ran above 3000mb/s
(sorry for my bad english)
Post a screenshot from ....... crystaldiskinfo...... for the disk.