2 Port SuperSpeed USB 3.0 PCI-Express Adapter
Condition : Brand New with 1 year limited warranty Upgrade your MacPro with SuperSpeed USB 3.0 Port, 10x faster than Build-in USB 2.0 Port Compatible Mac Model : Apple MacPro 1,1-5,1 from 2006-2012 Compatible OS X : Snow Leopard 10.6.x to Yosemite 10.10.5 ( Require Driver *included ) *NOT Support OS X El Capitan 10.11 or later Bootcamp Supported ( windows 10 / 8.x / 7 / Vista / XP 32/64-bit ) Specification Complies with PCI Express Base Specification Revision 2.0 1x Lane interface with throughput up to 5 Gbps Complies with Universal Serial Bus 3.0 specification Revision 1.0 Backward compatible to USB 2.0 and PCI-Express 1.0 Complies with eXtensible Host Controller Interface (xHCI) Specification Revision 1.0 10 times faster than High-Speed USB 2.0* Equips with 2 independent USB 3.0 Ports Backwards compatible to USB 2.0 /1.1/1.0 devices Supports the following data transfer rate: - USB 2.0 mode up to 480 Mbps* - USB 3.0 mode up to 5 Gbps* Supports Bulk Only Trans