Is 16GB of RAM enough for gaming?

Yes, 16GB is the sweet spot for most games today. More RAM won’t make games faster once you have enough—it just sits unused. Dual-channel bandwidth is the same with two 8GB sticks as with two 16GB sticks. The extra capacity only helps if you run many background apps that push total usage over 16GB, or if you play modern open-world games that creep over that limit with Windows overhead. Save your money for a faster GPU or CPU instead.