ct8g4dfs824a

I have ordered CRUCIAL memory with model number CT8G4DFS824A. I have been ordering parts online for over 2 months now. (I prefer to order slowly and one by one. :) Crucial 8GB DDR4 1.2v 2400Mhz CL17 UDIMM RAM Memory Module for Desktop But when the order arrived it was with model "CB8GU2400"...