Intel Xeon E5 Quad Core Processor 3.5 4 LGA 2011 BX80644E51620V3<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Advanced multi-core， multi-threaded processing </span></li><li><span class="a-list-item"> Larger cache and faster memory </span></li><li><span class="a-list-item"> Higher performance for demanding workloads </span></li><li><span class="a-list-item"> New Standard RAS features </span></li><li><span class="a-list-item"> Flexible， high-performance virtualization </span></li><li><span class="a-list-item"> Stronger， faster data encryption </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51rLr1NagHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/511Ye77wowL.jpg" noproxy>