Turn a 2.5in SATA HDD/SSD into an external USB (Universal Serial Bus) 3.0 drive while also an additional or replacement removable enclosure for the SAT2510U3REM. The SAT2510U3S 2.5in Hard Disk Drive Enclosure for SAT2510U3REM is a spare SATA drive enclosure for use with the SAT2510U3REM Removable Hard Drive Backup System/ Mobile Rack, which simplifies removing/rotating drives, & is also backward compatible with the USB (Universal Serial Bus) 2.0 model, SAT2510U2REM. This 2.5" SATA enclosure allows for native SATA connectivity (SATA 6 Gbps compliant) while mounted inside the SAT2510U3REM backup system, but also provides Super Speed USB (Universal Serial Bus) 3.0 connectivity (with up to 5 Gbps of data bandwidth) when used externally.