Very slow file transfer in Windows 10 SSD, NVME, HDD doesn't matter all slow

When copying files between drives Windows file copy is going incredibly slow. My transfer rates range between 40MB to 50MB, or slower no matter the drives used. There will be an initial spike reported of upwards of over 1GB, then a very rapid decline in speed. It doesn't matter if I'm going SSD to SSD, SSD to HDD etc, file copy behavior remains the same regardless.

I've done some research online and some of the unsuccessful things I've tried are:

Truning off the Windows write cache buffer.

Truning off Remote Differential Compression.

Motherboard drives are up to date.

I've also run PassMarks's Disk Mark and all the drives appear to working fine:

Drive 1: Samsung 840 EVO 500GB
Disk Mark Score: 5043
Sequential Read: 504
Sequential Write:467

Drive 1: Samsung 850 EVO 250GB
Disk Mark Score: 4801
Sequential Read: 501
Sequential Write: 418

Drive 1: M.2 MyDigitalSSD BPX NVME SSD 480GB
Disk Mark Score: 14304
Sequential Read: 1602
Sequential Write:1435

System Specs:

Gigabyte X370 Gaming K7 Motherboard
Ryzen 5 1600x
32 GB Corsair Ram
NVidia GTX 670

Any help or suggestions for additional research would be greatly appreciate.

a setting in your bios maybe ?

I can take a look, but I would think that unlikely otherwise Disk Mark shouldn't be able to get the results that it is. None the less thanks for the response.

I thought bios cause it is happening to all your drives... or maybe TRIM is not enabled?