ASUS Hyper M.2 x16 Gen4 is not working well

Chia Plotting
1

I have a problem with ASUS Hyper M.2 x16 Gen4 Card.

The machine can recognise four M.2 SSD (Crucial P1 1TB m.2 SSD) . I got 2.3GB/s with “dd” command and 450MB/s on Crucial P5 1TB SSD with SATA interface.

However, the plotting speed of M.2 SSD is way below the SATA SSD. Does anyone has encounter this kind of problem?

Here is my setup:
CPU:
AMD EPYC 7282 16-Core Processor
Core Count: 16
Core Enabled: 16
Thread Count: 32
AMD EPYC 7282 16-Core Processor
Core Count: 16
Core Enabled: 16
Thread Count: 32

Memory:Samsung DDR4 3200 64GB * 16

OS:UBUNTU Ubuntu 20.04.2 LTS

2

Unfortunately this is probably not the hyper card but just the fact that P1 is a terrible drive for plotting.
The sustained write speed is really low

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