There are two main factors you want to look at when performing a comparison of laptop PC hard drives. First you want to look at the storage capacity of the PC's hard drive. The information and data held by a hard drive is measured in gigabytes(GB). For basic computing functions like surfing the web, checking email, and downloading a reasonable amount of files, laptop PC hard drives with 60 or 80 GB are sufficient. Most laptop manufacturers offer hard drives with storage space ranging from 80 GB to 160 GB, with some offering up to 300 GB. There are multimedia laptops available that have dual hard drives installed with a total storage capacity of 400-1000 GB. Those PC computers are often known as "extreme" laptops.
The other factor to consider when comparing laptop PC hard drives is the speed of the drives. The faster a drive spins the faster information/ data is read and written. The three speeds laptop PC hard drives usually come in are 4200 RPM, 5400 RPM, and 7200 RPM. The