DESC: ThinkPad T Series notebooks deliver outstanding performance, full functionality and long battery life in an easily portable, thin-and-light design. This T42 Centrino model is configured with a 1.6GHz Pentium M 725 processor, a 2MB L2 cache, a 30GB ATA-100 4200rpm hard drive and 256MB PC2700 DDR SDRAM, expandable to 2GB. In addition to the 400MHz front bus speed and one Type III/two Type I/II PC Card slot(s), it offers an 8X DVD-ROM drive which is housed in the Ultrabay slim and can be swapped for other optional optical devices or an extra battery for longer uptime. For your communications needs, it features a 56K V.92 modem, Gigabit Ethernet card and Intel PRO/Wireless 2200BG 802.11b.g. The IBM ESS 2.0 security chip allows for strong security measures that can meet on-going password requirements easily.