Support Dual-Protocol NGFF/NVME M.2 SSD : M.2 SSD hard disk enclosure, compatible with different protocol M.2 SSD, supporting 4 cards size 2230/2242/2260/2280 of M.2 NGFF (SATA) and NVMe protocol hard drive and NVME SSD enclosure support M key and B+M key at the same time. High speed with 10Gbps read&write speed, save your time. And this external hard disk dive adapter can configure two addition hard drive enclosures, make your work more easier and efficient.