Features: With this PCIe SATA card you can add six 6Gb/s SATA 3.0 devices to your computer. Enlarged heat sink, better heat dissipation effect, more stable operation of the product, suitable for long-time work. The four layer circuit board, with the addition of isolation layer in the middle, has for stronger anti-interference capability. for SATA 6G, 3G and 1.5G hard drives, replacement for Windows XP/2003/Vista/win7/Win8/win10.(32/64bit) 4 Internal SATA 6Gb/s ports, PCI-express Interface is for PCI-Express x2, x4, x8, and x16 slots. Specifications: Material: Plastic, Metal Color: Black Interface: Pci-e 1x 2x 4x 8x 16x Supports Communication Speeds of 6.0 Gbps, 3.0 Gbps and 1.5 Gbps. Support 4 Sata Number of interfaces: SATA3.0 Interface X4 Product size: Pls See the Pictures Product weight: 30g Compliant with SATA 3.0 Specification, Backward for Sata2.0 Sata1.0. Compliant with Pci-express V2.0 Specification and Backward for Pci-express V1.0. System support: support for Windows XP/2003/ Vista/win7/in8/win10 (32/64bit) operating system. Package Includes: 1 x Expansion Card note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 for cm differences due to manual measurement.