WD800UE - Acer 20GB(4200RPM) Hard Drive For Aspire & Travelmate SeriesCOMPATIBLE MODLES: AVERATEC 3100,3150,3200,3220,3250, 3270, 3700, 3715, 6100, 6100A, 6110, 6128, 6128H1, 6200, Aspire 3000, Aspire 3003, Aspire 3003CLi, Travelmate 2200, Travelmate 4010,Note: This hard drive does not include the caddy or the connector. Hard drive caddies and connectors are sold separately.Height 9.5mmForm Factor 2.5