This adapter card can switch out 2 interfaces through the M.2 (A+E Key) slot of the PC host, and the user can connect 2 SSD solid state drives or mechanical hard drives with interfaces at the same time through the data cable. Adopting the super PCIe 3.0 bus bandwidth, the data transmission speed is much faster than PCIe 2.0. 1. KEY A/E Riser Board. 2. Support NGFF (M.2) 2230 key A/E. 3. Compliant with PCI Express basic specification revision 3.1a. 4. Support PCIe link layer energy saving mode. 5. M.2 to 2 Port SATA3.0 Card(JMB582 Chip). 6. M.2 A+E key. 7. Support port multiplier. 8. Compliant with III revision 3.2. 9. Support -based and -based port multipliers. 10. Support AHCI mode and IDE programming interface. 11. Support native queue (NCQ). 12. Support link energy saving mode (partial and hibernation). 13. Support plug-in detection function. 14. Support drive power control and staggered rotation. 15. Support Partial / Slumber power management status. 16. System Requirements: for 7 (X86 / X64); for 8 / 8.x / 10 (X86 / X64) (built-in driver) / 11; for Linux The heat sink on the riser card is randomly positioned and does not accept a specified position. Color: Black Material: PCB Package Contents: 1 x M.2 KEY A/E Riser Board 1 x M.2 to 2 Port SATA3.0 Card Only the above package content, other products are not included. Note: Light reflection 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.