The MSAT2SAT3 m SATA to SATA adapter enables you to connect a standard SATA drive to an available m SATA port. The adapter improves system capacity by enabling an m SATA port to host a larger SATA hard drive (tested up to 4TB). For guaranteed compatibility & performance the adapter is compliant with SATA I/II/III revisions, allowing for transfer speeds up to 6 Gb per second. The MSAT2SAT3 is backed by a Star Tech.com 2-year warranty & free lifetime technical support. The Star Tech.com Advantage Improve system capacity by connecting a larger SATA hard drive to an m SATA host controller