hot-swappable parts
nounUK /ˌhɒt ˈswɒpəbl pɑːts/
US /ˌhɑːt ˈswɑːpəbl pɑːrts/
Parts you can take out and put in while the machine is still on.
The computer's hot-swappable parts let you change a broken fan without turning it off.
RELATED WORDS
OTHER MEANINGS
2. Parts designed to be changed quickly without shutting down a system.
Engineers chose hot-swappable parts to keep the data center running.
3. Computer hardware you can remove and insert while it is powered.
The laptop has hot-swappable parts like its battery and drive.
4. Modules that can be replaced on the fly during operation.
Hot-swappable parts reduce downtime in factory machines.