Support B key and B + M key interface (NOT support M key and PCI-E (Samsung 950/960 )).USB 3.0 5Gbps super-speed interface・ 10 times faster than USB 2.0. Support UASP protocol.Plug and play・ hot swappable supported・ adopting screws to fix the hard disk・ make the built-in hard drive more safer.Perfectly fit with M2 2230 ・ 2242 ・ 2260 ・ 2280 NGFF solid state drive.Durable aluminium construction shell・ stylish appearance and durable. Low heat・ low consumption・ shockproof・ longer using life・ with a small screwdriver included.