1pcs of 4GB DDR2, 800MHz, Non-ECC, CL6, 1.8V, Unbuffered, SODIMM, 200-pin Lifetime exchange or repair warranty against manufacturing defects. by Computer Memory Solutions Brand Computer Memory Solutions 30 DAY MONEY BACK GUARANTEE Max Memory: 4 GB using a 32-bit Operating System 8 GB using a 64-bit
Operating System Sockets: 2 If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). Maximum configurations require a 64-bit operating system.
Compatible with: HP/Compaq G Notebook G56-129WM