This adapter card can switch out 2 SATA 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 SATA interfaces at the same time through the SATA 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 SATA III revision 3.2. 9. Support command-based and FIS-based port multipliers. 10. Support AHCI mode and IDE programming interface. 11. Support native command queue (NCQ). 12. Support SATA link energy saving mode (partial and hibernation). 13. Support SATA plug-in detection function. 14. Support drive power control and staggered rotation. 15. Support SATA Partial / Slumber power management status. 16. System Requirements: for Windows 7 (X86 / X64); for Windows 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