32GB ( 8 X 4 GB ) DDR2 PC2-6400F 800MHz ECC Fully Buffered 2Rx4 FB-DIMM (240 PIN) w/ Heatspreaders for Apple MAC computers Memory RAM<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Lifetime Warranty</li><li>Built with 1" Apple Required heat sheilds for lower operating temps</li><li>Free Anti Static Wrist Strap included for Safe installation</li><li>Dataram， a trusted American brand name since 1968</li><li>Lifetime Warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/517TQtftsLL.jpg" noproxy>