AMS DS-111SSBK 2.5" SATA Removable Rack Capacity: up to 2TB (up to 12.5mm drive height) Host Interface: SATA or SAS Disk Interface: SATA I / II / III Form Factor: 1 x 3.5" Bay for 1 x 2.5" SATA HDD/SSD/SAS Indicator: LED Power and HD Access