Brand: Western Digital. External Hard Drive Size: 3.5". Networking Capability: None. One Touch Backup Button: Yes. Printserver Included: No. Product Dimension Length: 16.5. Product Height: 4.8 cm. Product Weight: 1.18. Product Weight Units: kg. Product Width: 13.5 cm. Range: Data Storage. Remote Access: No. Speed in Rpm: 7200. Storage Capacity (GB): 500. Storage Capacity in Gb: 500.