StarTech.com 4-bay mobile rack backplane for 2.5in SATA/SAS drives. Size (imperial): 13.3 cm (5.25"), Type: Storage drive tray, Maximum HDD capacity: 2 TB. Width: 146 mm, Depth: 152 mm, Height: 42 mm. Package width: 194 mm, Package depth: 216 mm, Package height: 80 mm. Cables included: SATA, Number of lock keys included: 2 pc(s). Sustainability certificates: RoHS