4U Rack
The sizing of rackmount systems is defined by the term “U”. 1 Rack Unit or 1U is 1.75 inches (44.45 mm) high, so 4U =7 Inches (177.8 mm) RS stock a range of 4U rackmount cases from suppliers such as nVent -Schroff, Metcase and RS Pro.
The sizing of rackmount systems is defined by the term “U”. 1 Rack Unit or 1U is 1.75 inches (44.45 mm) high, so 4U =7 Inches (177.8 mm) RS stock a range of 4U rackmount cases from suppliers such as nVent -Schroff, Metcase and RS Pro.