IBM 4 GB DDR3 SDRAM Memory Module - 4 GB - 1333MHz DDR3-1333/PC3-10600 - DDR3 SDRAM DIMM<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Sold Individually</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31sk9JvckpL.jpg" noproxy>