Test Conditions
-System board details: Raspberry
Pi 4 Model B , 1G RAM
-Interface board details: X873
V2.0 USB3.0 to NVMe SSD shield
-Operation system: Raspberry Pi
OS with desktop (Debian12 (bookworm), 64bit, Release
date: October 15th March 2024)
-Storage details: Samsung PM961
SSD 120GB
Testing the SSD speed
from command line with dd
1) To test the write speed,
writing 1 GB of data in 10 blocks of 100 MB.
2) To test the read speed, use
dd to read our entire TestingFile file generated
from the last command, in 10 blocks of 100 MB each.
As seen above, the final results
with the dd command are:
-Write speed: 293MB/s
-Read speed: 267MB/s
Testing disk drive read
speed with hdparm
Average read rate: 249.6 MB/s (3
samples)
Testing disk drive
Read/Write speed with CrystalDiskMark on Windows
(Conect the X873 to a Windows PC
using an USB3.0 male-to-male cable)
![](images4/x873_v2.0-test1.png)
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