My PC's current RAM Stick is 8GB and has the tested latency of "16-18-18-36". I want to buy the same RAM Stick to use my full memory size (16GB) and I've found one on corsair.com. All the specs from this site are the same as my current RAM stick specs except the tested latency. On this site, it is "16-20-20-38". Can I still use this or do I need to find the exact same specs?