4GB Total memory using 1pc of 4GB 1600MHz Module 240pin dimm DDR3 12800. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from
CMSMax
Memory: 32GB
Sockets: 4 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 and 1066 modules but memory Bus runs at 1066MHz.
Compatible with: HP/Compaq ProDesk 600 G1 Series SFF/Tower