Model Number: SATA Expansion Card Interface: PCI 1. Supports 6-port 6.0 Gbps SATA III interface 2. Output balance control and auto calibration impedance for SATA III PHY. 3. supports asynchronous recovery signal. 4. supports spread spectrum overclocking. 5. Supports partial / slumber power saving mode. 6. Speed negotiation automatically. 7. supports BIST and loopback mode. 8. Supports staggered spin-up (Optional). 9. Supports Hot-Plug. 10. supports asynchronous notification. 11. Supports ATAPI units. 12. Supports base-based command and FIS-based switch. Interface: SATA 7PIN Support Systems: WINXP, WIN7, WIN8, WIN10 Connection mode: plug into the power supply and SATA SATA line in to the motherboard or expansion card. Hot Tips: 1. This card extension should support the PM (SATA PORTABLE MULTIPLICATOR) function of the board or the extension board to recognize 5 hard drives. 2. The main SATA motherboard does not support this function. If it is not supported, only one card can be recognized. 3. You must connect the SATA or DC2.5 power supply to the expansion card. note: Please wait slight size differs due to manual measurement. Due to different display and different light, the image can not show the actual color of the item. Thank you for your understanding. Colour:Blue Material:Metal & PC Package Contents: 2 * SATA Expansion Card 2 * USB-DC Power Cable 2 * SATA Cable