HighPoint RocketU 1022A SuperSpeed USB 3.0 PCI-Express 2.0 x1 Non-RAID HBA 2 USB 3.0 Super Speed Speed Type-A ports (5Gb/s per port) PCI-Express Gen 2 x1 Backwards compatible with USB 2.0 & 1.1 xHCI compliant Supports up to 2 external USB HDD/SSD Hot-Swap and Hot-Plug Windows 7, 2008, Vista and Linux Distributions