PCIe > CFexpress CFexpress socket with push-push function for easy insertion/extraction of CFexpress Card Support PCIe Generation 3 x 2 Support NVMe communication agreement PCIe > CFexpress external: 1 x CFexpress Card slot 21336 10 Windows10.12 (Sierra) and higher Mac OS Support power LED expressCF LxWxH: ca.68.0 x 65.3 x 6.4 mm / 2.68 x 2.57 x 0.25 inchWeight: 40 g/ 0.75 oz CFexpressCFast 2XQD 2SD UHS-IIICF 6.0 624 6001970 167 push & push 1000 internal: 1 x PCI Express x 4