Brand: Western Digital. Cache Memory in Mb: 8. Dlna Compliant: Yes. External Hard Drive Size in Inches: 2.5. Features of Product: Fast , simple , reliable add on storage. Preformatted for immediate use. Simply plug into a USB port and you have instant storage. your PC or Macintosh. Data transfer rate1: Up to 480 Mb/sec. Ftpserver Included: No. Internal Hard Drive Size in Inches: N/A. Mediaplayer Included: No. Networking Capability: None. One Touch Backup Button: No. PC Interface: USB 2.0. Printserver Included: No. Product Depth: 12.6 cm. Product Height: 1.5 cm. Product Weight: 0.2. Product Weight Units: kg. Product Width: 7.8 cm. Remote Access: No. Slave USB Connection: Yes. Speed in Rpm: 5400. Storage Capacity (GB): 320. Storage Capacity in Gb: 320. Storage Type: Solid-State Memory. USB Host Powered: Yes-Single port. Wireless Capability: No.