Features：

• Centralise With an External Hard Drive Thunderbolt 3 Dock

• USB 3.0 Hub to connect a shuttle drive or digital camera to offload footage

• 2 x Thunderbolt 3, Real performance up to 280MB/s, Daisy Chain

•Support Thunderbolt1/2 via Apple USB-C Thunderbolt 3 to Thunderbolt 2 adapter (Sold separately) 

• Great cooling design with the whisper-quiet fan and heat-dissipating aluminium enclosure

Capacity:

STHS4000800:  4TB 1big Dock Thunderbolt™ 3 -  (Enterprise Class drives)

STHS8000800:  8TB 1big Dock Thunderbolt™ 3 -  (Enterprise Class drives)

STHS16000800:  16TB 1big Dock Thunderbolt™ 3 -  (Enterprise Class drives)

STHS18000800:  18TB 1big Dock Thunderbolt™ 3 -  (Enterprise Class drives)

STHS20000800:  20TB 1big Dock Thunderbolt™ 3 -  (Enterprise Class drives)