Question PCIe Gen 4 x4 M.2 slow read

Jun 1, 2021
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Hi,

I just bought this PCIe Gen 4 x4 M.2 WD_Black 2TB SN850 but it's only read at 4000MB/s

the m.2 has been inserted at M.2-1 the PCIe Gen 4 x4 slot

MB: TUF GAMING B550-PLUS
 

Lutfij

Titan
Moderator
Can you please state the processor used in your build? OS version? Ideally you should be on version 21H1. What BISO version are you working with on your motherboard? The slot for the M.2 drive checks out.
 

Bob.B

Commendable
Feb 8, 2021
1,647
202
1,740
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Hi,

I just bought this PCIe Gen 4 x4 M.2 WD_Black 2TB SN850 but it's only read at 4000MB/s

the m.2 has been inserted at M.2-1 the PCIe Gen 4 x4 slot

MB: TUF GAMING B550-PLUS
When you run a benchmark it's best to have the machine as quiet as possible.
Reboot and let it sit for 5 mins.
Run the benchmark.
 
Jun 1, 2021
22
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10
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Run a pass of crystal disk info and post a screenshot.
I'm really sorry for wasting your precious time, it turns out there was a profile and it was set to Real world performance and I changed it to default

default


Real world performance
 

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