Found this antique SSD: Samsung MZ-HPU256T/004. M.2 2280 format, other P/N is MZHPU256-00004. Google even has problems with this antique. The date is 2014.10. power is 3.3V 1.9A.

This dinosaur is PCIe 2.0 its so old, and my USB-C dock can barely recognize it. My dock supports NVMe and SATA SSD. Evidently this SSD is MLC making it higher endurance than modern TLC and QLC SSD. The SSD is not NVMe and CrystalDiskInfo does not recognize it. The SSD does not seem to be borked its just a dinosaur for compatibility.

Windows DISKPART does not recognize it but it does show up in the Disk Manager. Windows assigns a drive letter but I cannot format it in Windows 11. It seems to have a MBR partition but no data partitions. It also is noticed by the device manager.

Guess the device is so old that Windows does not handle AHCI class SSD? My UEFI is set to AHCI which is what the default on Dell.

I have an old 4th gen Asus machine I am refurbishing but I do have a manual for it so it's backburner. Machine has dual SATA sockets for SSD/HD and it has GTX 980 graphics so I am eventually try to get it back in business. Might be a PCIe slot in the machine I can take advantage of. Maybe my old Lenovo P52 can use it better, machine has dual M.2 slots.

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USB 3.5" enclosures are $19 USD postage paid from China, I own several

Interesting. Can you please post a photo of it?