A-Tech 4GB KIT (2 x 2GB) for HP Compaq G61 Series G61-453EE G61-454EE G61-465SL G61-511WM G61-631NR G61-632NR G61 G61-100EA G61-100SA G61-101TU. SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory at Amazon.com
8GB (4GBx2) Team High Performance Memory RAM Upgrade For HP - Compaq HP G61-452EE G61-453EE G61- 454EE G61-455EE Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
HP G61 15.6'' Notebook (AMD Athlon II @ 2.10GHz) Parts/Repair AS IS | eBay
MTXtec Memoria di Lavoro 4GB RAM Compatibile con HP G61-430 : Amazon.it: Informatica
HP G Series G61-429wm Laptop Hard Drive Replacement - LaptopHDS.com