• 4GB PC3-8500 DDR3-1066 CL7 16c 256x8 204-pin SDRAM SODIMM.
• 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.
  
  Systems based on Intel GL40 chipset supports up to 4GB maximum.
  
  Per HP documentation, system supports DDR3-1333 (PC3-10600) and 1066 (PC3-8500) modules but memory Bus may run at 1066MHz (PC3-8500 MB/sec) depending on processor.
• Compatible with:
• HP/Compaq G Notebook G72-100
• HP/Compaq G Notebook G72-100EL
• HP/Compaq G Notebook G72-100SD
• HP/Compaq G Notebook G72-100SW
• HP/Compaq G Notebook G72-120EP
• HP/Compaq G Notebook G72-120EW
• HP/Compaq G Notebook G72-130ED
• HP/Compaq G Notebook G72-150EF
• HP/Compaq G Notebook G72-217CA
• HP/Compaq G Notebook G72-250US
• HP/Compaq G Notebook G72-a10ED
• HP/Compaq G Notebook G72-a10SA
• HP/Compaq G Notebook G72-a10SB
• HP/Compaq G Notebook G72-a10SW
• HP/Compaq G Notebook G72-a20EW
• HP/Compaq G Notebook G72-a20SO
• HP/Compaq G Notebook G72-a26EZ
• HP/Compaq G Notebook G72-a27SO
• HP/Compaq G Notebook G72-a30EW
  
• HP/Compaq G Notebook G72-a30SO
• HP/Compaq G Notebook G72-a35SF
• HP/Compaq G Notebook G72-a40SP
• HP/Compaq G Notebook G72-a55SF
• HP/Compaq G Notebook G72-a60SF
• HP/Compaq G Notebook G72-b15SA
• HP/Compaq G Notebook G72-b20SA
• HP/Compaq G Notebook G72-b50US
• HP/Compaq G Notebook G72-b54NR
• HP/Compaq G Notebook G72-b57CL
• HP/Compaq G Notebook G72-b60US
• HP/Compaq G Notebook G72-b63NR
• HP/Compaq G Notebook G72-b66US
• HP/Compaq G Notebook G72-c55dx