External Hard Drive Size: 2.5". Networking Capability: None. One Touch Backup Button: No. PC Interface: USB 2.0. Printserver Included: No. Product Depth: 1.31 cm. Product Height: 12.7 cm. Product Weight: 0.19. Product Weight Units: kg. Product Width: 7.8 cm. Range: Data Storage. Remote Access: No. Speed in Rpm: 5400. Storage Capacity (GB): 250. Storage Capacity in Gb: 250.