8GB (2 X 4GB) Memory for HP Business Desktop dc7900 / dc7900e SFF/CMT/MT DDR2 800MHz PC2-6400 240 pin Desktop DIMM RAM (PARTS-QUICK Brand) at Amazon.com
DDR2 Memory,800MHZ 4G 240pin RAM Memory Designed for DDR2 PC2-6400 Desktop Computer,Compatible with for AMD Motherboards, Circuit Module Board at Amazon.com