2GB Memory RAM Upgrade for the Lenovo Thinkpad R61 Series T60 Series T61 Series X60 Series and X61 Series Laptops (DDR2-667 PC2-5300 SODIMM) - Walmart.com
My new beast : thinkpad X61S 3GB ram : r/thinkpad
LENOVO THINKPAD X61 7673 TABLET USER MANUAL | ManualsLib
OFFTEK 2GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad X61 (7762-xxx) (DDR2-5300) Laptop Memory at Amazon.com
Lenovo ThinkPad X61 767593Y 12.1" Notebook - Intel - Core 2 Duo T7500 2.2GHz - Black - 2N54790 - Shoplet.com
Penryn beginning to pop up in Lenovo's X61 ThinkPads | Engadget
Lenovo Thinkpad X61S sous Windows 7 - Ram 4 Go- N°040430 - GRADE B
Lenovo ThinkPad X61 12" Core 2 Duo 2 GHz - Hdd 80 Go RAM 1 Go | Back Market
4GB 2X2GB RAM Memory for Lenovo ThinkPad X Series X60 ( Type 1706 ) Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-4200 533MHz Upgrade System Specific Memory - Newegg.com
Lenovo Thinkpad X61 - Windows 7 - Ram 3 Go- N°120509 - GRADE B