Are you looking for the fastest monitor money can buy, with a refresh rate that dwarfs all others? Well, technically you should be hunting for a used IIyama Vision Master Pro 512, as this YouTube channel has just forced the old CRT beast to a frankly astonishing 700 Hz.
This isn't RetroGamingBase's first dalliance with the Vision Master, as it's previously managed to push this particular unit to 500 Hz, a mere 40 Hz away from literally the fastest gaming monitor currently available, the Asus ROG Swift Pro PG248QP.