Specification : Model: 2521U3 Color: Black Material: plastic Output interface: USB3.0 Micro-B Support market 7-9.5mm of 2.5 inch SATA hard disk or SSD solid state drive Master control scheme: NS1068X (5Gbps) Transmission rate: 5Gbps Size(LxWxH): 130.8x78x15mm/5.15x3.07x0.59in Support capacity: up to 4TB Installation method: sliding cover installation Support system: for Windows XP / 7 / 8 / 10 / Mac OS / Linux