1 ms access time = 1/1,000th of a second.
A blink of an eye takes between 300 and 400 ms. That means the access time is 300 to 400 times faster than a human being can blink. A human brain will interpret the results as instantaneous. Absolutely incredible!
Gamers and enthusiasts have a tendency to get hung up on synthetic benchmarks. The benchmarks are artificial. At best they only represent a rough approximation of how a component might perform. Individual results will vary.
Don't Worry! Be Happy! Enjoy your new ssd!