Inside its magnesium frame, the M4000 features Intel's Pentium M 740 -- a 1.7GHz processor with 533MHz front-side bus and hefty 2MB of Level 2 cache. Intel's 915GM integrated-graphics chipset and tri-mode Pro/Wireless 2915ABG WiFi adapter complete the Centrino-brand bundle.
You'll also find 512MB of DDR-2/533 memory, expandable to 1GB ($199) or 1.5GB ($459). The 80GB hard disk is a 4,200-rpm Fujitsu unit with a 2MB buffer; the Matsush
ita optical drive offers 8X DVD-ROM playback and 24/24/24X CD-RW performance.