8GB (4GBx2) Team High Performance Memory RAM Upgrade For Lenovo ThinkPad W510 Series W700 Series Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
4GB Memory Upgrade RAM For Lenovo ThinkPad W700 Series at Amazon.com
2GB Memory RAM for Lenovo ThinkPad W Series W500, W500 (4061B15), W500 (4061B13), W520, W700 204pin PC3-8500 1066MHz DDR3 SO-DIMM Memory Module Upgrade System Specific Memory - Newegg.com