Features: Compatible with SATA6G, 3G and 1.5G hard drives. Comply with PCI-Express v3.0 specification and backward compatible with PCI-Express v2.0 1.0. Support 4 SATA. Support AHCI1.0 mode. Support FIS based on port multiplier switch or command switch. Support communication speed of 6.0 Gbps, 3.0 Gbps and 1.5 Gbps. Support hot swap and hot swap. Support native command queue (NCQ). Supports Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x, and Gen 3i. 100% brand new and high quality Comply with Serial ATA 3.0 specification and backward compatible with SATA2.0 SATA1.0. Package Includes: 1PC x PCIE to SATA Card Specifications: Product name: Expansion card Colour: Black Size: about 12x7.1x5.28cm/4.72x2.8x2.08in Interface rate: 6Gbps Bus interface: PCI-Express x1 slot Expansion interface: 4 SATA3.0 interfaces System requirements: There is a PCI Express X1 slot that can be used at the same time, supporting PCI-E X2 X4 X8 X16 Operating system: Windows10/8/linux note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!