The Silicon Motion SM2259XT is one of the most widely used DRAM-less SATA SSD controllers on the market. You will find it powering budget-friendly drives from brands like KingSpec, Goldenfir, Dogfish, Fanxiang, and countless other Chinese and value-oriented manufacturers.
If the drive is getting hot but is detected with a generic name (e.g., "SMI Factory" or "1GB") or stays in a "BSY" (busy) state, the internal firmware is likely corrupted. PC-3000 Support Blog 2. Required Tools for Firmware Repair sm2259xt firmware hot