4GB DDR2-800 (PC2-6400) RAM Memory Upgrade for the Compaq HP Business Notebook 6000 Series 6735s (KS115UT#ABA) (Genuine A-Tech Brand) 4GB DDR2-800 (PC2-6400) RAM Memory Upgrade for the Compaq HP Business Notebook 6000 Series 6735s (KS115UT#ABA) 100% Genuine A-Tech Brand Memory 4GB DDR2-800 PC2-6400 Non-ECC Unbuffered 200 Pin 1.8V CL=6 Memory Limited Lifetime Warranty High Quality Ram specifically designed for the Compaq HP Business Notebook 6000 Series 6735s (KS115UT#ABA)