0A28312 - HGST Travelstar 5K100 HTS541040G9AT00 40 GB 2.5 Internal Hard Drive - Retail - IDE Ultra ATA/100 (ATA-6) - 5400 rpm - 8 MB Buffer

The Hitachi Travelstar 5K100 delivers a winning combination of characteristics. With the industry's lowest idle power and enhancements to the mechanical and electrical design, this 5400 rpm drive is the ideal choice for notebook PCs. The Travelstar 5K100 offers the highest capacity in a 2.5" 5400 rpm drive. That, along with 300G of operating shock and 1000G of non-operating shock, makes Travelstar 5K100 the best all-around 2.5" hard drive. The Travelstar 5K100 is the centerpiece of a new line-up of strong contenders.