Features: 1. Compliant with PCI-Experss specification V2.0 and backward compatible PCI-E 1X. 2. Compliant with Serial ATA Specification 3.0. 3. PCI E X2 interface, compatible with PCI E x4, x8 and x16 slots. 4. Compliant with Serial SATA 3.0 specification, backward compatible with SATA2.0 and SATA1.0. 5. Support hot swap. 6. Support for native command queue (NCQ). 7. Supports FIS switching based on port multiplier switches or commands. 8. Compatible with SATA 6G, 3G and 1.5G hard drives. 9. Support RAID function: RAID 0, RAID 1, RAID 10, for HyperDuo. Specification: Colour: Black Name: 4-port SATA3.0 RAID expansion card Model: PCE4SAT-MR1 Chip: 88SE9230 Master: for Marvell 88SE923x Interface: PCI-E 4X 8X 16X Support system: for WINXP WIN7 WIN8 WIN10, for LINUX, for MAC Weight: approx. 88.3g Package list: 1 * PCI-E Riser Card 1 * Drive CD 1 * Short Iron Piece 1、Compliant with PCI-Experss specification V2.0 and backward compatible PCI-E 1 2、PCI E X2 interface, compatible with PCI E x4, x8 and x16 slots 3、Support for native command queue (NCQ) 4、Compatible with SATA 6G, 3G and 1.5G hard drives 5、Compliant with Serial SATA 3.0 specification, backward compaCompliant with Serial ATA 3.0 specification, backward compatible with SATA2.0 and SATA1.?0tible with SATA2.0 and SATA1.?0