This product meets my expectations and I am so pleased. The product: 2x8 GB. Low Profile - Not too high or big the blow (Ram's strips). They are sober, black and no more expensive than others. 1600 Mhz certified 9/9/9 / [email protected] but easily the 8/8/8 / [email protected] and rise to about 1,800 in standard timings ...