CMS 8GB (2X4GB) DDR3 10600 1333MHZ NON ECC DIMM Memory Ram Compatible with HP/Compaq Pavilion P7-1015, P7-1017C, P7-1019, P7-1020 - A69

8GB Total memory using 2pc of 4GB 1333MHz Module 240pin dimm DDR3 10600. 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 Expansion: 4 Sockets Maximun Memory: 4 GB with 32-bit OS 16 GB with 64-bit OS Compatible with: HP Pavilion Desktop p7-1007c, p7-1010, p7-1010d, p7-1010t, p7-1010z, p7-1011, p7-1012, p7-1012l, p7-1015, p7-1017c, p7-1019, p7-1020 MODULES MAY BE INSTALLED ONE AT A TIME; however, they must be added in like pairs to take advantage of dual-channel support. 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. Per HP documentation, system supports DDR3-1333 PC3-10600 memory which may run at slower speed depending on system configuration.