Seagate Exos E 2U12, Serial Attached SCSI (SAS), 3.5", 57.3 lbs (26 kg), Rack (2U), Black, Metallic Seagate Exos E 2U12. Storage drive interface: Serial Attached SCSI (SAS), Storage drive size: 3.5". Chassis type: Rack (2U). Number of storage drives supported: 12, Supported storage drive types: HDD & SSD. Width: 19" (483 mm), Depth: 24.8" (630 mm), Height: 3.5" (88.9 mm), Weight: 57.3 lbs (26 kg). Product color: Black, Metallic