ZTC 2-in-1 Thunder Board M.2 (NGFF) or mSATA SSD to SATA III Board Adapter. Multi Size Fit with High Speed 6.0GB/s. Model ZTC-AD002 M.2 (NGFF) & mSATA to SATA III Adapter board. Green LED indicates power status Red LED indicates active status Thermal shutdown protection Data transfer rate: 6Gb/s up to 520MB/Sec