Kingston Technology KVR21N15S8/4 ValueRAM 4GB 2133MHz DDR4 Computer Internal Memory<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>One 4GB module of 2133MHz DDR4 Memory</li><li>One 4GB module of 2133MHz DDR4 Memory</li><li>From the industry leader in PC Memory</li><li>Backed by a lifetime warranty and free technical support</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41gihIc9I%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31HaeLgpapL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41207Su4ZJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41omzshLuiL.jpg" noproxy>