Detailed information Supports SATA 3.0 ports. 2 SATA + 2 ESATA ports. Supports hard drives up to 2 TB. PCI Express up to 2.5G/S, Dual Channel Compatible with PCI Express 2.0 and SATA 3.0 revision. Up to 6Gbps for SATA III. Compatible with SATA I and SATA II. Package Contents 1 x PCIe SATA3 Control Card 1 x Low Profile Bracket Your device must meet the following specifications: Applicable slots: PCI-Express X1, can be used in PCIe X2 X4 X8 X16 slots. Compatible with Windows 11 E Linux (Note: not compatible with Windows 7 and Windows 8) Donkey pc PCIe cards meet the highest quality standards to bring you high-performance products. PCIe cards are designed to work perfectly in your computers, with a 1% chance of incompatibility and error. Exceptional reliability and high quality materials. A technical service that takes care of your incidents and problems with all items 356 days a year. Money back guarantee.