SIL3124 chipset with PCI-Express Interface. Compliant with PCI Express Specification Revision 1.0a. 1-Lane (x1) PCI Express with transfer rate 2.5 Gb/s Full Duplex channel. Fully Plug & Play compatible. Supports Raid function 0, 1, 5, 10. SATA II Interface. Integrated Serial ATA Link and PHY logic. Compliant with Serial ATA 1.0 and Serial ATA II Extensions to Serial ATA 1.0 Specifications. Supports Serial ATA Generation 2 transfer rate of 3.0 Gb/s. Supports Serial ATA II: Port Multiplier 1.0 Specifications. Backward compatible to SATA 1.0 Specification. Supports four independent Serial ATA channels. Independent Link, Transport, and data FIFO. Independent command fetch, scatter/gather, and command execution. Supports Legacy Command Queuing (LCQ). Supports Native Command Queuing (NCQ). Supports Non-zero offsets (NCQ). Supports out of order data delivery NCQ. Supports FIS-based switching with Port Multipliers. 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