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Journeyman III

Slow speeds on NVME (Commong issue on X570)

So after googling i see A LOT of people with the same problem.
I've got a Seagate Firecuda 520 NVME 2TB Drive (On a MSI MPG X570 Gaming PRO CARBON WiFi) that's supposed to have read/write speeds of 5000 MB/s / 4400 MB/s.
It worked just fine in the beginning but as of late i've been experiencing problems. I can't get write speeds over ~1 GB/s on the drive.

Reinstalled Windows
Updated Bios
Tried drivers from different vendors
Updated chipset drivers
Changed M.2 Slot on the motherboard
Confirmed it's running on PCI-E Gen 4.0 X4

Swapped in another Seagate Firecuda 520 2TB and i've got the same issue
Disabled/enabled write caching
Read speed sits steadily at 5000 MB/s so the port is working correctly.

My other drive a MP510 PCI-E Gen 3 works fine and gives me +3000 MB/s write speeds.

Other people with the same issue: nvme speeds x570

Slow NVME Write Speed - AMD 3800x x570 : AMDHelp (OP writes 

The new AMD chipset drivers ( ) fixed the write speed issue.

Write went from 1,000 MB/s to ~4,700 MB/s.)
Unfortunately i've tried a plethora of different drivers with the same result.

Anyone got any ideas on how to solve this? I've tried everything i've found on Google.