Model Number: SATA Expansion Card Interface: PCI 1. Supports 6-port 6.0 Gbps SATA III interface 2. Output swing control and automatic impedance calibration for SATA III PHY. 3. Supports asynchronous signal recovery. 4. Supports spread spectrum clocking. 5. Supports partial / slumber power management. 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 devices. 12. Supports command-based and FIS-based switching. Interface: SATA 7PIN Support System: WINXP, WIN7, WIN8, WIN10 Connection Mode: Connect the power supply and SATA cable to the motherboard or expansion card. Important Tips: 1. This card extension should support the PM function (SATA PORTABLE MULTIPLIER) on the card or extension card 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 a SATA or DC2.5 power supply to the expansion card. Note: Please allow slight size differences due to manual measurement. Due to different displays and lighting, the picture may not show the actual color of the item. Thank you for your understanding. Color: Blue Material: Metal & PC Package Contents: 2 * SATA Expansion Card 2 * USB-DC Power Cable 2 * SATA Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.