JINGCHENGMEI 1U 19 inch Server Rack Rails -15-24 inch Adjustable Depth - Universal 4 Post Rack Mount Rails for Network Equipment, Server, UPS Mounting Rail Kit (1URR15-24IN), Welcome to consult - Newegg.com
Standard server rack Dimension and accessories Dimension
Startech .com 1U Server Rack Cabinet ShelfFixed 12" Deep Cantilever Rackmount Tray for 19" Data/AV/Network Enclosure w/cage nuts,... SHELF-1U-12-FIXED-S - Corporate Armor
A Definitive Guide to 19-Inch Server Rack Sizes | Pure Storage