I don't go out of my way to collect perpherials, but here is a list of my current setup:

Lamzu Atlantis Mini 4K, SkyPAD 3.0

Wooting 60HE, Stock

Audeze Maxwells

Acer XV252QF, R7 5800X3D, Radeon 6900XT, 32GBs of 3600mhz, CL16 DDR4 memory

As for sensitivity, this changes between games, or how I am feeling on a certain day, but these are the sensitivities that I use in different games (All on 1600dpi):

Apex: 0.7x, 1.0x ADS (37.1cm)

Overwatch: 3.0 (28.8cm)

CS:GO: 0.6x (43.3cm)