8GB KIT 4x 2GB HP-Compaq Business Desktop Series dc7800 dx7400 DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory Genuine A-Tech Brand<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>8GB KIT (4 x 2GB) DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory</li><li>Genuine A-Tech Memory</li><li>Lifetime Warranty</li><li>Toll Free Technical Support 1-866-557-4527</li><li>Designed For HP-Compaq Business Desktop Series. (See Compatibility List Below)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/61-4SKCfFDL.jpg" noproxy>