Intel I5-520M - 2.4Ghz 2.5GT/s 3MB PGA988 Intel Core i5-520M Dual Core CPU Processor - CPU Medics
Refurbished: ThinkPad Laptop T Series Intel Core i5 1st Gen 520M (2.40GHz) 4GB Memory 320GB HDD Intel HD Graphics 14.0" Windows 7 Professional 64-Bit T410 - Newegg.com
Apple MacBook Pro Core i5-520M 2.4GHz 4GB 320GB DVD±RW 15.4" GeForce GT 330M Notebook AirPort OS X w/Cam & BT - Viziotech
x86 cpus' Guide - View details on Intel Core i5-520M PGA