Does the IBM ThinkPad X31 Take an NVMe SSD?
IBM ThinkPad X31
Every one of 5 field reports observed SATA storage rather than NVMe.
That is useful evidence about the reported machines, but it does not prove that every configuration lacks an NVMe slot or that the installed SATA drive is 2.5-inch rather than SATA M.2. Check the service manual, connector, dimensions, and current drive before ordering.
Field reports can’t tell us whether the SATA drive is a 2.5-inch bay or a SATA M.2 slot, nor which M.2 length fits — check the service manual before you buy.
Reported by field data
- Storage controller:
- Intel Corporation 82801DBM (ICH4-M) IDE Controller
- Platform:
- Intel Corporation 82855PM Processor to I/O Controller
- Drives seen:
- Dogfish SSD 128G, Hoodisk SSD, IC25N040ATCS04-0
Drives people actually had installed when they ran the report — not a compatibility list, and not the only drives that fit.
Capacities seen
- 128 GB (40%)
- 16 GB (40%)
- 40 GB (20%)
Sizes found installed in field reports — not a ceiling. Larger drives work fine.
How we know
This answer is derived from 5 independent hardware reports for the IBM ThinkPad X31, of which 0% observed an NVMe drive. We read the PCI device list in each report to tell NVMe apart from SATA.
Check it yourself
On Windows, open Task Manager → Performance and click your disk to see its model and type. On Linux, run lsblk -d -o NAME,TRAN,MODEL and read the TRAN column.
More IBM laptops
Storage interfaces derived from linuxhw/LsPCI, licensed CC-BY-4.0.