Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

Fewer Letters	More Letters
Git	Popular version control system, primarily for code
NAS	Network-Attached Storage
NUC	Next Unit of Computing brand of Intel small computers
NVR	Network Video Recorder (generally for CCTV)
PSU	Power Supply Unit
Plex	Brand of media server package
PoE	Power over Ethernet
RAID	Redundant Array of Independent Disks for mass storage
SSD	Solid State Drive mass storage
Unifi	Ubiquiti WiFi hardware brand
VPS	Virtual Private Server (opposed to shared hosting)

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