Kingston 16GB (2 x 8 GB) 667MHz ECC Registered DDR2 PC2-5300 240pin DIMM for Servers P/N: KTH-XW9400K2/16G<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>2 x 8GB for 16GB Total</li><li>DDR2-667 PC2-5300 ECC Registered</li><li>CL 5， 1.8 Volt</li><li>Server Memory - This will not work in standard Desktop machines.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/4180NoChTWL.jpg" noproxy>