Feature:1. PCIE 4.0: M.2 PCIE 4.0 do SFF8643 U2, PCIE 4.0 support, backward compatibility with version 3.0. 2. HIGH TRANSMISSION SPEED: Supports PCI-E 4.0 compatible with PCIE 3.0, maximum theoretical transmission rate 64GT/S. 3. CUTTING TYPE: Keep the position pattern 2260, designed as cutting type, effectively ensure the strength when using 2280. If you need to use 2260, you can use the tools to cut it according to the pattern. 4. U.2 INTERFACE: M.2 NVME do SFF 8643 interface must be used with U.2 cable. 5. NVME: M.2 NVME interface supports NVME protocol, stable performance, high compatibility, high speed and lossless transmission. . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 Specification:Article type: Adapter M.2 NVME on U2 Material: PCB Model No.: PH49 M2 Application: M.2 NVME protocol extension Interface: SFF 8643 Support: PCIE 4.0 backward compatible 3.0 . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 How to use:Connect and play . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 Package List:1 x Expansion Card 1 x Screws 1 x Screwdriver 1 x Connection Cable . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2 . Adapter M.2 PCIE 4.0 do SFF8643 U2 Adapter M.2