Synology 4 DDR3 1600 PC3 12800 PC Memory RAM-4G-ECC<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Memory RAM-4G-ECC Module</li><li>Designed to Expand Disk Station</li><li>Compatible with RS3413xs+ and RS10613xs+</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Gv8a5zp0L.jpg" noproxy>