Patriot G series Sector 5 8GB (2 x 4GB) DDR3 Desktop Memory for $57.24 shipped after promo code DM15AP11US and this $15 rebate. Here is a screenshot before the $15 rebate for your reference. Alternatively, it is also available at Amazon for $65.99 shipped after a $15 rebate. It features aluminum heat spreaders, 9-9-9-24 timing, XMP-ready, and RoHS compliant. Most places have it for over $80.