StarTech.com UNI3510U2E, 3.5", Serial ATA, 3 Gbit/s, Black, Silver StarTech.com UNI3510U2E. Number of storage drives supported: 1, Storage drive size: 3.5", Supported storage drive interfaces: Serial ATA, Maximum storage capacity: 2 TB. Data transfer rate: 3 Gbit/s. Product colour: Black, Silver