Crucial Technology CT2CP51272AF80E 8 GB (4 GBx2) 240-pin DIMM  DDR2 PC2-6400 CL=5 Fully Buffered ECC DDR2-800 1.8V 512Meg x 72 Memory Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Capacity: 8 GB : 2 x 4 GB</li><li>Memory Type: DDR2 SDRAM - FB-DIMM 240-pin</li><li>Upgrade Type: Generic</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41786BneD-L.jpg" noproxy>