Here's a complete list for every single printer's optional attachments that you can buy later on. (Note: not every upgrade listed. Note: some upgrades may not work for every single printer in the family)
Core One/+/L
Camera
Multi Material Upgrade 3
INDX (multi material with up to 8 filaments)
High-temperature nozzle
GPIO Hackerboard
Advanced filtration system
HEPA filter
Accelerometer
Critical Infrastructure
USS drybox (custom)
Critical Infrastructure
Mini/+
Camera
Wifi
Octoprint
Enclosure
HEPA filter (for enclosure
Light bar (for enclosure)
Mechanical lock (for enclosure)
Fire suppression system (for enclosure)
Mk4/3.9/S
Camera
Multi Material Upgrade 3
Wifi
Octoprint
GPIO Hackerboard
Enclosure
HEPA filter (for enclosure
Light bar (for enclosure)
Mechanical lock (for enclosure)
Fire suppression system (for enclosure)
PSU quick release
Silver PSU
Accelerometer
USS drybox
Mk3/3.5/S/+
Camera
Multi Material Upgrade 3
Wifi
Octoprint
GPIO Hackerboard
Enclosure
HEPA filter (for enclosure
Light bar (for enclosure)
Mechanical lock (for enclosure)
Fire suppression system (for enclosure)
PSU quick release
Silver PSU
Accelerometer
Multi Material Upgrade 2/S
USS drybox
Mk2/2.5/S
Enclosure
HEPA filter (for enclosure
Light bar (for enclosure)
Mechanical lock (for enclosure)
Fire suppression system (for enclosure)
Multi Material Upgrade 2/S
Multi Material Upgrade 1
USS drybox
SL1/S Speed
CW1/S
Prusa XL
2 tool upgrade
5 tool upgrade
Silicone nozzle
Enclosure
HEPA filter (for enclosure)
USS drybox
Critical Infrastructure
Printers without upgrades (Note: conversion kits & alternative size nozzles to the next model do not count)
Prusa Mendel
Prusa Mendel i2
Prusa Mendel i3
Prusa i3 Plus 1.75mm
Prusa i3 Plus 2.85mm
Prusa Pro SLX
Prusa Pro AFS
Prusa Pro HT90
Prusa Signature Oak
Prusa Pro Medical
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