I'm no expert on RAM but I bought 6 sticks of this 16GB DDR4 2666MHz for my server machine and it seems to work great. If this product is still being offered much later on, like a year from now or something, I might buy another 6 sticks to get a total of 192GB though I doubt I'd need that much. Basically what I'm saying is, it's a good product, I've had no issues so far, and don't expect to find any issues.