What is Memory timings？

M.2 2230/2242/2280/22110 refers to the size specifications for M.2 SSDs. The numbers indicate the width and length in millimeters: 22mm wide, and 30mm, 42mm, 80mm, or 110mm long, respectively.

Simply Put:

Think of M.2 SSDs as high-performance race cars, each built for a specific track. The 2230 is like a nimble go-kart and is ideal for tight, compact builds.The 2242 is a compact sports car, striking a balance between size and speed. The 2280 is a standard Formula 1 racer, delivering top all-around performance. And the 22110 is a long-distance endurance car, made for maximum capacity and consistent power. Each “car” fits a different “track” (motherboard slot), tuned for specific computing needs.