If you want to check the read speed of your NVMe drive in your Synology NAS use:
sudo hdparm -tT --direct /dev/nvme0n1
or
sudo hdparm -tT --direct /dev/nvme1n1
To get your Synology's NVMe read speed added please reply to this discussion.
| Model | PCIe info | Read Speed | NVMe brand/model | Notes |
|---|---|---|---|---|
| DS1821+ | 3.0 x8 slot (x4 link) | 2350 MB/s | WD Black SN770 500GB | E10M20-T1 |
| DS1821+ | 3.0 x8 slot (x4 link) | 2350 MB/s | WD Black SN770 500GB | M2D20 |
| DS1821+ | PCIe 3.0 x2 | 1300 MB/s | WD Black SN770 500GB | |
| DS1621+ | PCIe 3.0 x2 | 1300 MB/s | 500GB | assumed to be the same as DS1821+ |
| DS1520+ | PCIe 2.0 x1 | 400 MB/s | 500GB | assumed to be the same as DS720+ |
| DS920+ | PCIe 2.0 x1 | 400 MB/s | 500GB | assumed to be the same as DS720+ |
| DS918+ | PCIe 2.0 x1 | 400 MB/s | ||
| DS720+ | PCIe 2.0 x1 | 400 MB/s | Phison SPCC 500GB | |
| DS720+ | PCIe 2.0 x1 | 390 MB/s | WD Black SN770 500GB | |
| DS423+ | PCIe 2.0 x1 | 740 MB/s | Crucial P3 plus 2TB |