Features: 1.4 SATA 3.0: This mini PCIE expansion card has 4 SATA Gen 3.0 6Gb/s channel host controllers that provide server level function for desktop computers. 2.High Speed: This 88SE9215 expansion card supports 6Gb/s hard drives, while backward compatible with SATA1.5Gb/s, SATA 3Gb/s drives. 3.PCI Express 2.0: This mini PCIE to SATA 3.0 card provides throughput of up to 500MB/S for each PCI Express 2.0. 4.RAID Function: This mini PCIE to SATA 3.0 expansion card can use RAID function to connect to SATA of this controller. 5.Widely Compatible: This mini PCIE SATA controller card is suitable for Win XP, for Vista, for Win 7, for Win 8, for Server 2003, for Server 2008 R2, for Linux 2.6.x or higher. specification:Item Type: Mini PCIE Expansion Card Material: Printed Circuit Board PCI Express: PCI Express 2.0: PCI Express 2.0 Compliant, PCIe x 2.0 Endpoint Device High Speed: Supports 2.5Gbps and 5.0Gbps Communication Speed Programming Interface: Support SATA Controller AHCI Programming Interface Register Power Management: Support Power Management Error Reporting: Support Error Reporting, Recovery And Rectification MSI: Support Message Signal Interrupt (MSI) SATA Controller: ATA 3.1: Compliant With Serial ATA 3.1 Communication Speed: Supports 6Gbps, 3Gbps And 1.5Gbps Communication Speed. Signal Level: Programmable Transmitter Signal Level Is Supported Gen Supported: Supports Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x, And Gen 3i SATA Port: Supports 4 SATA Ports Programming Interface: AHCI 1.0 Programming Interface Is Supported NCQ: Support Native Command Queues (NCQ) Switching: Support Port Based FIS Switching Or Command Based Switching Sleep Power Management: Support Partial And Sleep Power Management State Rotation: Support Staggered Rotation PackageList:1 x MiniPCIEExpansionCard 1 x SATA Cable 1 x CD