G.Skill Ripjaws X Series 8GB (2 x 4GB) PC3-14900 DDR3 Desktop Memory for $79.99 shipped.  Here is a screenshot for your reference.  The desktop memory kit is specifically designed for Intel Sandy Bridge CPUs and P67 platforms and features 9-9-9-28 at 1.5V.  Most places have this desktop memory kit for over $150.