Several reasons can be responsible for slow SSD Read Or Write Speeds on Windows 11/10. Make your Solid State Drive perform fast!

To run a write test, type or paste the following command: dd if=/dev/zero of=/tmp/tempfile bs=1M count=1024 conv=fdatasync To test your disk's read speed next, we need a little more setup.

SSD Tweaker & Tweak-SSD are free SSD optimization tools for Windows 11/10 that let you tweak, optimize and speed up your Solid State Drive by configuring best settings and reducing read and write ...

The CrystalDiskMark score pic is attached. Any idea why the 4K read speed is so low? How would this kind of horrible ssd performance comparing to top ssd in real life?