Four-corner non-slip pads are stable and anti-vibration: The base non-slip pads can be stable and anti-vibration during data transmission and protect the hard disk from damage. Vertical exposed heat dissipation: vertical open bare metal design, convenient disassembly and assembly, and good natural heat dissipation performance. High-quality ABS environmental protection material, solid and durable, stable structure, surface matte technology, atmosphere and texture. Model:6558US3-C-BK Supported HD Capacity: 50TB (Not Including Hard Drive) External interface: USB Product size 212mm(L) X 204m(W) X 114mm(H) Master control scheme JMS567+JMB391 Support capacity single disk 10TB, Max50TB Product power supply 12V.5A external power supply Internal Interface: SATA Support HDD: USB3.0 SATA HDD Advantage: Tool Free Hot-swap Without drives colour:Black Material:plastic size:3.5 Inch Package Contents: 1 X 5-bay mobile hard drive 1 Power adapter 1 Instruction manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +- 1-3cm.