Is there any practical benefit to changing the NVMe sector size?
Here is some information relevant to my case.
❯ sudo fdisk -l /dev/nvme0n1
Disk /dev/nvme0n1: 465.76 GiB, 500107862016 bytes, 976773168 sectors
Disk model: MSI M450 500GB
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: EFF624A3-1798-43FE-BF56-687C755FB179
Device Start End Sectors Size Type
/dev/nvme0n1p1 2048 1050623 1048576 512M EFI System
/dev/nvme0n1p2 1050624 3147775 2097152 1G Linux filesystem
/dev/nvme0n1p3 3147776 976773119 973625344 464.3G Linux filesystem
~
❯ sudo nvme list
Node Generic SN Model Namespace Usage Format FW Rev
--------------------- --------------------- -------------------- ---------------------------------------- ---------- -------------------------- ---------------- --------
/dev/nvme0n1 /dev/ng0n1 511230609289002464 MSI M450 500GB 0x1 500.11 GB / 500.11 GB 512 B + 0 B EJFM61.0
~
❯ sudo nvme id-ns -H /dev/nvme0n1 | grep "Relative Performance"
LBA Format 0 : Metadata Size: 0 bytes - Data Size: 512 bytes - Relative Performance: 0x1 Better (in use)
LBA Format 1 : Metadata Size: 0 bytes - Data Size: 4096 bytes - Relative Performance: 0 Best
Posted Feb 25, 2026, 5:38 AM UTC