Features: brand new and high quality Compliant with Serial ATA Specification 3.1 for SATA 6G, 3G and 1.5G Hard Drives，supports communication speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 Gbps Supports AHCI 1.0 programming interface registers for the SATA controller Supports error reporting ,recovery and correction Supports Message Signaled Interrupt (MSI) Hot plug and Hot Swap.Supports Programmable transmitter signal levels Supports Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x, and Gen 3i Supports Port Multiplier FIS based switching or command based switching.Supports 4 SATA devices Specifications: Item Name: Mini PCIe 88SE9215 SATA Array Card Interface: PCI for Express SATA Port No.: 4 Ports Color: Black Transmission Speed：6000 (MB/s) Main Control Chip: for Marvell 88SE9215 System support: for Windows XP / Vista / Win 7 / Win 8 / Server 2003 / Server 2008 R2./ Linux 2.6.x Size:Mixed Package Includes: 1 x SATA III (6Gbps) miniPCI-Express Controller Card 1 x User Manual 4 x SATA Cable 1 x CD Driver note: Not Supported for RAID on PM. Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.