Versatile Connectivity - 5Gb/s USB 3.0 & 6Gb/s eSATA on Single HBA! The RocketU 1144E maximizes the performance of USB 3.0 & 6Gb/s SATA devices; revolutionary, dedicated per-port performance architecture allows each device to take full advantage of PCIe 2.0 x4 bus speeds. The dual 5Gb/s USB 3.0 ports support all industry standard USB devices while the dual 6Gb/s eSATA ports are optimized for today's fastest SATA SSD's & hard drives.