Komputerbay 16GB (8x 2GB) DDR2 PC2-5300F 667MHz CL5 ECC Fully Buffered 2Rx4 FB-DIMM (240 PIN) w/ Heatspreaders for Apple computers<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>ECC Fully Buffered (an FBDIMM will not fit into a standard DDR2 socket， and a standard DDR2 module will not fit into an FBDIMM socket)</li><li>Capacity: 32GB For Apple Mac Pro (8-core) Desktop</li><li>Speed: PC2-5300F 667MHz</li><li>240-Pin DIMM</li><li>Lifetime Warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51kzgL9ZVsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Qt3-169OL.jpg" noproxy>