[updated] - Sm2259xt Firmware Hot

Do not download from random file hosts. Use reputable sources:

To perform a "hot" flash or firmware update on an SM2259XT drive, you generally use the . sm2259xt firmware hot

The SM2259XT is a 4-channel, DRAM-less SATA 6Gbps SSD controller. "XT" stands for "eXTreme" or "eXtra Thin"—meaning it has no external DRAM cache, which reduces BOM (Bill of Materials) cost. To compensate for the lack of DRAM, it uses the Host Memory Buffer (HMB) feature (in NVMe versions—though note: SM2259XT is SATA, so it relies on SRAM and SLC caching). Do not download from random file hosts

Many budget drives using this controller lack a thermal pad between the chip and the SSD casing. sm2259xt firmware hot