Western Digital WD_BLACK 1TB SN770M M.2 2230 NVMe Internal SSD (WDBDNH0010BBK)Western Digital WD_BLACK 1TB SN770M M. 2 2230 NVMe Internal SSD. Model: (WDBDNH0010BBK). Features: Introducing the WD_BLACK SN770M SSD, the first M. 2 2230 NVMe SSD built from a brand gamers trust. Supercharge compatible handheld devices such as the ASUS ROG Ally and Valve Steam Deck with speeds up to 5,150 MB s[2] (1TB and 2TB models) for blazingly quick game installations and level loads. Play more games, larger games wherever you are with up to 2TB