Memory Master 4 GB (2 x 2GB) DDR2 800 MHz PC2-6400 Desktop DIMM Memory Modules MMD4096KD2-800<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Warranty Terms - Parts - Lifetime</li><li>Warranty Terms - Labor - Lifetime</li><li>Memory Size - 4GB</li><li>Speed - 800MHz</li><li>Pin Configuration - 240-pin DIMM</li></ul></div><img src="http://ecx.images-amazon.com/images/I/519pqykU1RL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51tIjLiQqnL.jpg" noproxy>