Dell Latitude c640 Pentium 4 1.8 Ghz 512 MB 20GB CD-RW 14.1″ Integrated 10/100 56K Windows XP Pro (No COA, No Restore CD) AC Adapter Battery (not tested). With options like the Intel Pentium 4M Processor, the Dell Latitude c640 doesn’t just perform, it out-performs. Whatever the need, whatever the speed, the Dell Latitude c640 is your solution. RELIABILITY: Straight out of Dell Leasing, you will surely be pleased with the quality and functionality of this laptop. This Laptop has Click for more info and price.