Antenna Cable -Dual Interface M+B M.2 NVME Key To PCI-e Expansion Card and Cooling Fan Box Highlights Generic Brand Dual Interface M+B M.2 NVME Key To PCI Expansion Card -e and Cooling Fan Case Description: 12V+3.3V dual voltage and high current, powerful cooling fan and equipped with aluminum dust cover. Suitable for full size M.2 NGFF SSD, supporting 2230 2242 2260 2280 22110mm. The PCB has over 200 vents, which are dustproof and improve heat dissipation. Key B: M.2 NGFF SSD for SATA specification (requires SATA data cable to connect to motherboard, data cable is not included). Key M: M.2 NGFF SSD (also known as NVME, directly available) for PCI-e specification. PCI-E 3.0 4X super high speed, supports X4 X8 X16 slot. Package includes: 1x M.2 to PCI-e 3.0 dual interface expansion