A-Tech 4GB KIT 2 x 2GB HP-Compaq G Notebook G61-632NR G62 G62-219CA G62-220US G62-223CL G62-225DX G62-225NR G62-226NR G62-228CL G62-237CA G62-237US SO-DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory 4GB KIT (2 x 2GB) SO-DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For HP-Compaq G Notebook Series. (See Compatibility List Below)