ITEM NAME:PCIe PCI Express to 6G SATA3.0 4-Port SATA III Expansion Controller Card Br D7Z3 PCIe PCI Express to 6G SATA3.0 4-Port SATA III Expansion Controller Card Br D7Z3 Four ports SATA3.0 6Gbps Support PE loading system, Support size chassis, Support for large capacity hard drives, Support 99% of operating systems Three modes, selectable by toggle switch AHCI/No Boot/IDE Boot Rear four-port SATA3.0 interface 1. Add a large heat sink to better heat dissipation. 2. Rear four-port design, wiring is more convenient. 3. Rear four-port design, the size of the chassis is universal. 4. The tail is designed to be close to each other, and the chance of blocking the card fan is smaller. 5. Four-layer circuit board with isolation layer in the middle for stronger anti-interference ability. 6. Original mode selection, AHCI, IDE, data disk, three modes are free to choose! colour: Photo Color Material: PC+ metal size: 12*6.5*6.5cm Package Contents: 1*PCI Express to SATA3.0 Expansion Card 1*CD drive Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.