Intel Core i5-750

Intel® Atom  N270 1.6 GHz / 512KB Cache / 533MHz FSB MS Windows XP Home 160 GB HDD / 1GB RAM / 802.11 b/g 3-cell battery

Intel® Atom  N270 1.6 GHz / 512KB Cache / 533MHz FSB MS Windows XP Home 160 GB HDD / 1GB RAM / 802.11 b/g 6-cell battery

Intel Dual Core T4200 2Ghz/ 2GB DDR2 Memory (1x2GB), 250GB Sata HD, Windows XP Professional, Up to 3.6Hour Battery life (6-cell), 56k Modem, Gigabyte Ethernet

Lenovo ThinkPad R500 Intel Core 2 Duo T6670/2.26GHz 1GB DDR3 Memory 250GB HD 802.11b/g/n wireless, Windows XP Professional and Vista Business. Up to 4.5 Hours Battery Life

Kingston Laptop RAM

For Windows and Mac computers

1GB PC2-6400 200-Pin Sodimm

Kingston Laptop Memory

For Windows and Mac computers

2GB PC2-6400 200-Pin Sodiumm

Belkin USB2 Hi-Speed Cable

6'/1.8m,  480Mbps

40 Times Faster than USB1.1

A Plug/B Plug

Belkin USB2 Hi-Speed Cable

10'/3m,  480Mbps

40 Times Faster than USB1.1

A Plug/B Plug

400W Power Supply

Front USB/Sound

5 Drive Bays

4 Expansion Slots

475W PSU

Front USB and Sound

10 Drive Bays

4 Expansion Slots