Brand: Western Digital. External Hard Drive Size: 2.5". One Touch Backup Button: Yes. PC Interface: USB 2.0. Printserver Included: No. Product Depth: 11 cm. Product Height: 1.5 cm. Product Weight: 0.18. Product Weight Units: kg. Product Width: 8.3 cm. Range: Data Storage. Remote Access: No. Speed in Rpm: 5400.