1. [5 Port PCI‑E to SATA] Equipped with 5 SATA3.0 interfaces, in line with PCI‑E2.0 specification, supports 5 SATA hard drive connections, and the transmission rate can be up to 6Gbps. 2. [Good Heat Dissipation] Using alloy radiators to ensure stable chip temperature, this PCIE expansion card has a higher speed and more stable transmission. 3. [PCIE 4X Interface] As long as the motherboard has PCI‑Express 4X/8X/16X slots, this adapter card can be easily expanded, plug and play, which is convenient and fast. 4. [Multi System Compatibility] This adapter card can be used for Windows(R)XP/Server 2003/Vista/7/8(32/64bit), for OS X, for Linux and other systems, widely compatible. 5. [Wide Application] PCIE to SATA 3.0 5-port expansion, compatible with most chassis on the market, this SATA 3.0 expansion card is only suitable for PCI‑E motherboard slots, not for PCI slots. Item Type: PCI-E to SATA3.0 Adapter Card Material: PCB, Aluminum Alloy Color: Black Number of interfaces: 5 SATA3.0 Input interface: PCI-Express 4X PCl-E Slot Support: PCI-E 4X/8X/16X Transmission rate: 6Gbps Installation method: In Line PCIE slot Operating system: For Windows(R)XP, for Windows Server, for Windows 2003, for Windows Vista, for Windows 7, for Windows 8(32/64 bit), for OS X, for Linux and other systems are universal. 1 x Adapter Card