Toshiba 20 Gigabyte Pata Mobile Storage 4200 Rpm 2Mb Cache Bare Drive

• Form Factor - 1.8" Internal
• Dimensions WxDxH - 2.12" x 2.79" x 0.197"
• Weight - 48 g

I purchased this one to replace the one that failled in my just 2 years old tomtom 910 GPS.

I hope this one will last longer, wait and see ...

PS: tomtom user, this is an easy change.