Lenovo ThinkPad SL510 2847-CZU Notebook PC - Intel Core 2 Duo T6670 2.20GHz, 2GB DDR3, 250GB HDD, DVDRW, 15.6 Display, Windows 7 Professional 64-bit, Black at TigerDirect.com
How To Upgrade the Ram in a Lenovo ThinkPad - YouTube
ThinkPad Laptop SL Series Intel Core 2 Duo T5870 (2.00GHz) 2GB Memory 160GB HDD Intel GMA 4500MHD 15.6" Windows XP Professional SL510(28472JU) - Newegg.com