AMS DS-346TL 3.5 Tray-less 4-IN-3 SATA Backplane Module Mobile Rack Drives Support: Multi 3.5 Drives to Multi 5.25 Bays Mobile Rack Interface: SATA I/II/III/SAS Specifications: Capacity: 3TB or above Host Interface: SATA or SAS Disk Interface: SATA I / II / III Interface Transfer Rate: up to 6 Gbps Form Factor: 3 x 3.5 bay (4 in 3) Indicator: LED power and HDD access (blue) Power: 15Pin SATA x 2 power and 7Pin data x 4 connector Operating Temperature: 5 to 35 Degrees C Material: Aluminum Frame and placstic bezel Dimension: 7.79 x 5.71 x 4.96 Weight: 1.9 lbs.