PS5 SSD not detected: how to fix it

Fix a PS5 SSD that is not detected

Power the PS5 down fully and unplug it before opening the bay.

1. Confirm the drive is M.2 NVMe PCIe Gen4 (or Gen5), not SATA or Gen3. A SATA or Gen3 drive will never be detected for expansion.
2. Reseat the drive: insert it firmly at an angle until the contacts disappear, press it flat, and secure the screw so it cannot lift.
3. Check the spacer is under the correct length marking (almost always 2280) so the screw actually clamps the drive.
4. Make sure total height with the heatsink is under 11.25 mm so the cover seated fully and did not press the drive out of alignment.
5. Update the PS5 system software to the latest version, as early firmware predates M.2 support and newer versions improve detection.
6. Boot the console; when it offers to format the M.2 SSD, accept. An unformatted compatible drive shows as needing formatting, not as missing.
7. If it still fails, test the drive in a PC if you can, to rule out a faulty unit before returning it.

The single most common cause

By far the most frequent reason a PS5 will not see a drive is that it is the wrong type: an M.2 SATA SSD looks identical to an NVMe one but uses a different interface and is silently unsupported. The second most common is a drive that is not fully seated, so it powers but does not enumerate.

Less often, the drive is fine but the console is running old firmware, or the drive simply has not been formatted yet, which the PS5 presents as a prompt rather than an error.