Synology DX517. Total installed storage capacity: 0 TB. Chassis type: Desktop, Device class: Small & Medium Business. Number of storage drives supported: 5, Supported storage drive types: HDD & SSD, Supported storage drive interfaces: Serial ATA, Serial ATA II, Serial ATA III, Storage drive sizes supported: 2.5,3.5". Width: 9.76" (248 mm), Depth: 9.17" (233 mm), Height: 6.18" (157 mm), Weight: 8.62 lbs (3.91 kg). Product color: Black