HP 1DE48AA#AC3, 256 GB, M.2, 530 MB/s, 6 Gbit/s HP 1DE48AA#AC3. SSD capacity: 256 GB, SSD form factor: M.2, Read speed: 530 MB/s, Write speed: 515 MB/s, Data transfer rate: 6 Gbit/s, Component for: Server/workstation