HP RDX 4TB USB 3.0 Internal. Product type: Storage drive, Media type: RDX cartridge, Interface: USB 3.2 Gen 1 (3.1 Gen 1) Native capacity: 4 TB, Compressed capacity: 8 TB. Sustained data transfer rate (compressed) : 200 MB/s, Sustained data transfer rate (native) : 100 MB/s. Product colour: Black. Width: 398.8 mm, Depth: 198.1 mm, Height: 203.2 mm