Full Details from Amazon.com : http://www.amazon.com/gp/product/B00KQD0Y9I?tag=onigi-20
LaCie 9000438U 8TB LaCie 2big Thunderbolt 2
Capacity 8TB
Internal Storage Media 2 x hot-swappable 7200RPM64MB cache or greater hard disks
Interface 2 x Thunderbolt 2 ports1 x USB 30 port UAS and USB 20 compatible
Interface Transfer Rate Thunderbolt 2 20GbsUSB 30 5Gbs
Performance Benchmark Thunderbolt 2 and USB 30 Reads Writes MBs8TB RAID 0 360 3608TB RAID 1 170 180
