Question Slow M.2 write speed on older system with newer NVME drive?

nrschoen

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Dec 31, 2007
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System specs:
Windows 10, Version 2004 Build 19041.572
I7-6700k no OC
Asus Maximus VIII Hero Bios 3802 (latest)
Corsair Vengence 3200mhz 16gb ram
Galax 980ti HOF
Sabrent Rocket Q NVMe PCIe m.2 2280 SSD 1TB
WD Black 4TB
Asus Blu-ray DVD-RW drive

How things are hooked up, have the WD and Asus optical drive on SATA ports 3 and 5 per Asus manual. m.2, is in only slot it can go into. Per Crystaldisk info, m.2 is running through NVME express, PCIe 3.0 x4 transfer mode. However, read speeds seem ok, but write speeds are abysmal!!! Have ensured windows is up to date, all chipset drivers are up to date... Haven't reinstalled windows yet, as everything else seems to be working right. I know this board doesnt have PCIe 4.0, but was expecting a bit better than this.... Anyone have any ideas as to what might be going on? Pics in the imgur link below! Thank you all so much!

View: https://imgur.com/a/HSVS02Y
 

nrschoen

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Dec 31, 2007
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Well, reinstalled windows, write speeds about doubled ~1800Mbs, but still not on par with what I have seen. Contacted Sabrent support, they are replacing my drive, with out much fuss.. Kind of makes me wonder...
 

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