Corsair Vengeance 8GB (2 x 4GB) PC3-10666 DDR3 PC Memory for $64.99 shipped. Here is a screenshot for reference. Alternatively, it is available at Amazon for $64.99 shipped. It features 9-9-9-24 latency at 1.5V and up to 1333 Hz operating speed. It should be compatible with most standard desktop systems.