3 Reasons to Buy a 2x8GB RAM Kit Instead of a Single 16GB Stick
Dual-channel performance is faster immediately Two 8GB sticks run in dual-channel mode, giving you a real speed boost in games, video editing, and multitasking. A single 16GB stick runs slower in single-channel mode.
Future upgrades are easier with two sticks now Buying 2x8GB leaves two RAM slots open. You can add another 2x8GB kit later for 32GB, or replace them entirely with a 2x16GB kit.
Matching a single stick later is risky and often more expensive RAM prices drop over time. By the time you need 32GB, a new 2x16GB kit will likely cost less than tracking down an identical single 16GB stick. Unless you will add the exact same stick within a few months, take the performance now.