ADO4000IAA5DD - AMD ATHLON64 X2 4000 512KB SO AM2<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"> Frequency (MHz): 4000+ (rated) 2100 (real) </span></li><li><span class="a-list-item"> Socket: AM2 </span></li><li><span class="a-list-item"> Core stepping: G1 </span></li><li><span class="a-list-item"> Level 2 cache size: 1MB </span></li><li><span class="a-list-item"> Thermal Design Power (W): 65 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41rBFY2JVBL.jpg" noproxy>