A-TECH 4GB KIT 2x 2GB HP Compaq G71 G71-329WM G71-333NR G71-340US G71-448CL G71-333CA G71-339CA G71-343US G71-345CL G71-347CL G71-349WM SO-DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine Brand 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 G71 Series. (See Compatibility List Below)