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Ok, so here's the deal. I have four full-height 4-post racks that I picked up locally for *cheap* ($20 each), they are high quality steel construction and are very adjustable, the design where the vertical posts can be moved closer to the front or farther away as needed. I have a Dell 24-port 1U network switch that mounts just fine, no clearance problems. I have another 1U server I got used that fits (although just barely).

.... And then I have a Norco RPC-450TH case that i got recently that does not fit *at all*. I'm not sure whether Norco is using a different rack standard or if they just failed to adhere to the correct standard.

The wikipedia article on the 19" rack standard states that a proper equipment rack needs vertical posts that are exactly 5/8" (0.625") wide with 17 3/4" (17.75") clearance between the left and right post. The center-to-center horizontal distance between the holes should be 18 5/16" (18.3125"). I've measured my racks and they are all within 1/32" of these dimensions. However my Norco case is about 3/16" wider such that I can't use the sliding rail kit I bought as there is not enough horizontal room to fit both the case and the thickness of the sliding rails themselves.

I'm just trying to figure out what is going on here. I don't have a lot of rackmount equipment to compare with. Any input is appreciated, thanks!
Workstation
(14 items)
 
  
CPUMotherboardGraphicsRAM
Core i7-920 D0 EVGA X58 SLI Micro BFG GeForce GTS 250 OC 1GB 24GB (6x4GB) G.Skill Sniper SR2 
Hard DriveOptical DriveOSMonitor
2x WD Raptor 74GB 10K 8MB (RAID0) LG BD/HD-DVD/DVD-RW Combo Windows 7 Ultimate x64 (RTM) Gateway FHD2400 1920x1200 2ms 
MonitorKeyboardPowerCase
Dell UltraSharp 3008WFP 2560x1600 8ms Deck Legend Frost XFX 850W Modular 80PLUS Silver Cooler Master HAF 932 
MouseMouse Pad
Logitech G9 12"x12"x3/8" Polyethelyne 
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Workstation
(14 items)
 
  
CPUMotherboardGraphicsRAM
Core i7-920 D0 EVGA X58 SLI Micro BFG GeForce GTS 250 OC 1GB 24GB (6x4GB) G.Skill Sniper SR2 
Hard DriveOptical DriveOSMonitor
2x WD Raptor 74GB 10K 8MB (RAID0) LG BD/HD-DVD/DVD-RW Combo Windows 7 Ultimate x64 (RTM) Gateway FHD2400 1920x1200 2ms 
MonitorKeyboardPowerCase
Dell UltraSharp 3008WFP 2560x1600 8ms Deck Legend Frost XFX 850W Modular 80PLUS Silver Cooler Master HAF 932 
MouseMouse Pad
Logitech G9 12"x12"x3/8" Polyethelyne 
  hide details  
Reply