Patriot Signature 4GB DDR3 PC3-12800 (1600MHz) CL11 DIMM Memory Module PSD34G160081<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>100% tested</li><li>PC3-12800 (1600MHz) dual Data Rate</li><li>240-Pin Dual in-line memory module</li><li>Non-ECC Unbuffered</li><li>7.8US Refresh Interval (8192 CY CLES/64MS)</li><li>1.5V Power Requirement</li><li>Auto and self refresh capability</li><li>Serial Presence-Detect (SPD)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41lzmu-5RrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ZraNUGZcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bO-0Ze3fL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gXVS4j7EL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JuplcuapL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41o4GWvR56L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41j1Z7YQYEL.jpg" noproxy>