Home consoles:
Atari 2600 (one Wood Grain VCS model, and an Atari 2600 Jr. Rainbow Stripe model (may be in the basement somewhere, but forgot exactly where))
NES (original front loader model)
Sega Genesis (2nd model)
Super NES (original model)
Nintendo 64 (Watermelon Pink)
Nintendo GameCube (two Indigo ones (lens on both of them stopped reading on me), and a Platinum one)
Microsoft XBOX (disc tray wouldn't open upon obtaining it, but managed to fix the issue)
Wii (original White model with GameCube controller and memory card ports)
Wii U (32 GB Black model)
Nintendo Switch (2017 Grey Joycon model)
Handhelds:
Game Boy Colour (Lime Green)
Game Boy Advance SP (Cobalt Blue)
Nintendo DS Lite (one Onyx Black, one Polar White (on/off switch is somewhat broken and console turns on/off on its own sometimes), and one Platinum Silver)
Nintendo 3DS (Midnight Purple)
Nintendo 3DS XL (Silver Mario and Luigi Edition)
New Nintendo 3DS XL (New Galaxy Style)
Nintendo Switch Lite (Gray)
Plug 'n Play, Dedicated Consoles et al:
Atari Flashback 2
Nintendo Classic Mini NES
Retro-Bit Generations
Nintendo Classic Mini Super NES
Retro-Bit Super Retro-Cade (v1.0 model)
Sega Genesis Mini