Kingston Technology 4GB DDR4 2133MHz Memory for Select Acer， Dell， HP/Compaq Laptops (KCP421SS8/4)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>One 4GB Module of 2133MHZ DDR4 Memory</li><li>Backed by a lifetime warranty and free technical support</li><li>From the industry leader in PC memory</li><li>Designed and tested for compatibility in various Lenovo Acer and Dell Laptops</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51S7NaJcX3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51mfxK2CwqL.jpg" noproxy>