These numbers do not contain difference between async and sync writes at 4kb or 8kb. I tested the Samsung 970 pro a few years back and got around 1000iops for 4

These numbers do not contain difference between async and sync writes at 4kb or 8kb. I tested the Samsung 970 pro a few years back and got around 1000iops for 4kb sync writes or 4MB/s. Optane did 75 000 iops for 4kb sync writes or 300MB/s. Good read https://www.servethehome.com/exploring-best-zfs-zil-slog-ssd-intel-optane-nand/ https://www.servethehome.com/exploring-best-zfs-zil-slog-ssd... Another good read about Samsung 970 pro: https://forum.proxmox.com/threads/my-nvmes-suck.45158/ https://forum.proxmox.com/threads/my-nvmes-suck.45158/