Syba  PCI Express SATA II 4 x Ports RAID Controller Card SY-PEX40008 Supports Serial ATA generation 2 transfer rate of 3.0 GB/s Supports Serial ATA II: port Multiplier 1.0 specifications Integrated Serial ATA Link and PHY Logic Supports Native Command Queuing (NCQ) Supports legacy Command Queuing (LCQ) Driver supported MS Windows 2000/XP/Vista, Linux, Mac OS 10.4x, Red Hat Linux 8.0.9.0, SuSE Linux 8.1, 8.2,United Linux 1.0