The Toshiba 320GB external hard drive (often from the Canvio or older Portable series) is a 2.5-inch portable HDD, typically featuring USB 2.0 connectivity with data transfer speeds up to
. It operates at 5,400 RPM, features an 8MB cache, is powered by USB, and is compatible with Windows and Mac
Key Specifications:
Capacity: 320 GB
Form Factor: 2.5-inch portable
Interface: USB 2.0 (backward compatible with USB 3.0, but limited to 2.0 speeds)
Rotational Speed: 5,400 RPM
Transfer Rate: Up to

Cache: 8 MB
Dimensions: Approximately

(or

)
Weight: Approx. 6 oz (155g - 190g)
Power: USB bus-powered (no external power supply needed)
Compatibility: Windows 2000/XP/Vista/7 (may require reformatting for later OS/Mac)
Features: Often includes pre-loaded backup software, shock sensor, and internal ramp loading technology.