This is THE premium RAM of all RAM and they are highly binned and rigorously tested. Super stable. Highly sought after and looks stunning. This is from a 8 x 8GB kit. Selling as loose pairs or all together. CMD64GX4M8A2400C14 2400Mhz 14-16-16-31 Made in Taiwan Again, cheapest around. Can't beat this awesome value. Lifetime warranty!