HP 16GB (1x16GB) Dual Rank x4 PC3-14900R 1 DDR3 1866 (PC3 14900) Internal Memory 708641-B21<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>16GB</li><li>1866Mhz</li><li>RAM Module</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41YRCCkxypL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31dqDvXJQsL.jpg" noproxy>