Expand your storage with this Hitachi Travelstar 4K40 HTS424020M9AT00 20 GB 2.5-inch IDE Hard Drive! This Hitachi Travelstar HTS424020M9AT00 features a 20 GB formatted capacity, 4200 RPM spindle speed and a 2 MB buffer! This Travelstar hard drive is ideal for storing documents, spreadsheets, email messages and more! Simply install this drive in your notebook"s 2.5-inch hard drive bay or inside an external case enclosure so you can have a portable hard drive that you can transport anywhere!