2GB DDR2 Memory for HP Compaq Business Desktop dc5700 dc5800 dc7700 dc7800 dc7900 dx1000 dx2310 dx2390 dx2400 dx2420 dx2450 dx2480 dx2700 dx2710 dx2810 dx7300 dx7400 dx7500 PC2-6400 Non-ECC DIMM RAM at Amazon.com
398448-001 HP | Used & Refurbished
419007-001 HP 1GB DDR2-5300 PC2-5300F Memory
HP BLc7000 DDR2 Encl Mgmt Option - 456204-B21
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