4GB Total memory using 1pc of 4GB 1600MHz Module 240pin dimm DDR3 1600. 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: 8GB Sockets for
Upgrading: 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. MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode Compatible with the following
Systems: 2561-xxx; 4746-xxx