Sony Z21Z

Processor:Intel Core 2 Duo P9500 - 2.53GHz The processor (aka CPU) is the brains of a computer, it carries out all the processing and calculations needed to run the programmes on the computer.
RAM: 4.00GB The RAM is the main "working" memory of the machine. The more you have the more things it can do at once without slowing down. 2GB is the average for most everyday uses
Hard Drive: 128GB The Hard Drive (HD) is where everything on the computer is stored. The bigger the hard drive the more programmes/music/videos you can keep on it at once. Typically 1Gb will store about 250 music tracks. 120GB will generally be sufficient for most people, unless you have large media collections or a lot of High Definition video
Graphics: nVidia GeForce - 9300M 256MBGraphics Card (GPU). This is the name of the piece of hardware in the laptop which processes the display. In most cases it relieves the CPU of processing anything which is shown on the screen (especially 3D images such as games)
Screen Size: 13.10 inches
DVD/CD Drive: 10x (CD) / 4x (DVD±RW) / 5x (DVD-RAM) / 2x (BD-RE) / 1x (BD-RE DL)
Other Features: Microsoft Windows Vista Business
Weight: 1.50kg
Height: 3.3
Width: 31.4
Depth: 21.00

Reasons to buy:

• Mega RAM: Lots of memory helps your computer run faster and allows you to have more applications open at the same time.