4GB KIT (2 x 2GB) For Gateway E Server Series E-9425R E-9520T E-9525R. DIMM DDR2 ECC Fully Buffered PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand.<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>4GB KIT (2 x 2GB) DIMM DDR2 ECC Fully Buffered 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 Gateway E Server Series. (See Compatibility List Below)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51cfpocdBqL.jpg" noproxy>