Attached are captures for 2004 and 3004
Highest sample rate & sensitivity, sample mode, single acquisition 100ksamples
2004 : 2.5Gs/sec, 2ns/div, 1mv/div
3004 : 5Gs/sec, 500ps/div, 500uV/div
TL;DR on 3004, peak-peak acquisition mode, peak-peak noise on a full-memory acquisition is slightly under 1mV, 2004 slightly over
on the 3004, even open-circuit at 1M it's well below 1.5mV