The “19 inch rack”, you need to know about server racks. Server racks are open metal frames or enclosures that can store multiple electronic devices
What is a server rack and do you still need one?
EDGE 5 - Air Conditioned Server Rack - EDGE Computing
DIY Server Rack Plans
Server Racks: Everything You Need to Know
StarTech.com 1U Server Rack Shelf - Universal Vented Rack Mount Cantilever Tray for 19 Network Equipment Rack & Cabinet - Heavy Duty Steel – Weight Capacity 44lb/20kg - 16 Deep Shelf, Black
Got my ups rack loaded! : r/homelab
11 Best Server Racks for Your Mini Data Center
Sizing Racks For Your Server Room Design
18u-47u 19inch Network Cabinet, Floor Standing Cold-Rolled Steel Server Rack Cable Management Data Center - China Network Cabinet, Server Rack
Explaining Server Rack Dimensions - TRG Datacenters
Raising Electronics Sliding Rack Server Shelf 1U Palestine
Rack Mount UPS - How to Choose for Servers and Home Network?
How to Setup a Server Rack: Tips nd Tricks {Step-by-Step Guide}
How to convert an old Laptop to a Rack-Mountable Computer, by Paolo Campitelli