4GB KIT 2 x 2GB HP Compaq 6000 Notebook HP 6250s 6510b 6515b 6515s 6520s 6530b 6710b 6710s 6715b 6715s 6716s 6720s 6735s 6820s 6910p 7132s SO-DIMM DDR2 PC2-5300 667MHz RAM Memory Genuine A-Tech Brand 4GB KIT (2 x 2GB) SO-DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For HP-Compaq 6000 Notebook Series. (See Compatibility List Below)