CMS 4GB (1X4GB) DDR3 8500 1066MHZ NON ECC SODIMM Memory Ram Compatible with HP/Compaq Pavilion Notebook Dm1Z Series Ddr3 - A32

4GB 204p PC3-8500 CL7 8c 256x8 DDR3-1066 1Rx8 1.5V SODIMM. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS Max Memory Standard memory 4GB 1 single sodimm 30 day money back guarantee. Maximum Memory: 8 GB Expansion: 2 Socket(s) Memory upgrade choices 2GB DDR3 System Memory (1 Dimm) 8GB DDR3 System Memory (2 Dimm) Comaptible with: HP/Compaq Pavilion Notebook dm1z Series 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. SAMSUNG, MICRON, HYNEX, ELPIDA, Toshiba are trademarks of their respective companies.