I didn't even know these things existed until I came across a very long Cisco switch with an even longer detachable power supply. Even adjusting the brackets on the switch didn't leave me enough room to plug in the device later. On a whim I was looking for a rack extender and this one popped up. Dispatched a second day later and my switch was in place. At first I was confused how they would work until I got my hands on them. They're actually Z-shaped, so they curve inward to maintain the standard rack width after expanding 4 inches. One end consists of standard screw holes,
π© Lancher 60-Pack Black Cage Nuts and Screws for Server Rack Mounts - M6 x 16mm - 1U, 2U, 6U, 12U Cabinets and Shelves
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NavePoint 1U Vented Rack Tray - 14 Inches (350mm Deep), Black, Lipless Design
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NavePoint 1U Black Vented Rack Tray Shelves - Universal Design, 8 Inches (210mm Deep), No Lip
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π¦ Enhance Your Rack System with NavePoint Universal Rack Tray Vented Shelves 1U Black 10 Inches (250mm deep) - No Lip
10 Review