Crucial 4GB Single DDR3L 1600 MT/s (PC3-12800) SODIMM 204-Pin Memory - CT51264BF160BJ<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"> DDR3L PC3L-12800. CL=11 . Unbuffered . NON-ECC . DDR3L-1600 . 1.35V </span></li><li><span class="a-list-item"> Increases system performance </span></li><li><span class="a-list-item"> DIMM Type: Unbuffered </span></li><li><span class="a-list-item"> Easy to install </span></li><li><span class="a-list-item"> Limited Lifetime Warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41fqZW9281L.jpg" noproxy>