Corsair 4GB DDR3 1600 MHz Laptop Memory 1.5V<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>4GB Module (1x4GB) DDR3 1600MHz SODIMM</li><li>1600MHz</li><li>11-11-11-29 latency</li><li>Limited Lifetime Warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51EHVmjPh4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Uqvs3JqIL.jpg" noproxy>