Pretty straightforward naming scheme.
M Maxwell, K Kepler, P pascal, V Volta, T Turing, ... they get a little screwy with Ampere and Ada Lovelace, Hopper, and Blackwell in 6mo.
Volta is first gen matrix, Turing 2nd (rtx2000 gen), Ampere desktop and server resync'd A100 and RTX3000, split Ada...