Chipset: VIA VT6420 controller chip. Compliant with PCI Specification, Rev. 2.2. Compliant with PCI “Plug & Play”. 32-bit 33 MHz PCI interface. Drive support: Serial ATA, Ultra ATA/133, Ultra ATA/100, Ultra ATA/66 Support ACPI and ATA/ATAPI6. Data Transfer Rate: Up to 150MB/s. 48-bit LBA Support: Recognizes drives bigger than 137GB. Supports Windows 98, 98SE, ME, 2000, XP and NT 4.0. Connecters: Primary SATA Channel Secondary SATA Channel IDE1: ATA/133 IDE Channel Supports RAID 0 (striped), RAID 1 (mirrored), RAID 0+1 (mirrored + striped) and JBOD by installing the software. RAID Fuction works on: 2 x SATA 2 x ATA/133 1 x SATA + 1 x ATA/133 2 x SATA + 2 x ATA/133