What is the size of the 42u cabinet and how many servers can be placed?
33U Premier Server Rack 800 x 1000 – Orion Rack Cabinets
A Definitive Guide to 19-Inch Server Rack Sizes | Pure Storage
19-inch rack - Wikipedia
How To Determine The Rack Size You Need For Your Data Center? - Raising Electronics
A Definitive Guide to 19-Inch Server Rack Sizes | Pure Storage
Amazon.com: StarTech.com 4-Post 25U Mobile Open Frame Server Rack, 19in Network Rack with Wheels, Rolling Rack for Computer/AV/Data/IT Equipment - Casters, Leveling Feet or Floor Mounting (4POSTRACK25U) : Electronics