Belkin Thunderbolt Express Dock with 8 ports and 10 Gbit / s data transfer rate, aluminum (accessories)
Since 2012, I GrĂ¼bel after about the acquisition. The reason for this is a 27 "iMac by mid-2012, although it had 2x Thunderbold and FireWire 800, but who was armed only with 4xUSB 2.0. Here USB should be retrofitted 3 on Thunderbold, but prices of 30