Addon-Memory 4 GB DDR3 1066 (PC3 8500) RAM AM1066D3QRLPR/4G<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>4GB DDR3-1066MHZ RDIMM</li><li>QR ECC FACTORY ORIGINAL SVR MEM</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2BP77I9zvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31e45%2B6OAkL.jpg" noproxy>