Addonics AENRHDSA35-R Mobile Rack II - 3.5 to 5.25 SATA HDD Mobile Rack Drives Support: 1 x 3.5 Drives to 5.25 Bay Mobile Rack Interface: SATA I/II/III Specifications: Supported Drive Type: 3.5 SATA Hard Drive Interface connector: SATA Power connectors: 15-pin and 4-pin connectors Power source: PC power supply when used as removable hard drive Power control: Integrated with key lock Power indicator: LED on Drive cradle Hard drive access indicator: LED on Drive cradle Cooling fan: 1 fan at front of drive enclosure Dimensions: 7.48 x 5.75 x 1.65 (185 x 146 x 42 mm) Weight: 1 lbs. / 12 oz (drive enclosure and drive cradle set)