RM0311 4U ATX Rackmount Chassis

Versatile Chassis with Superior Reliability

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Model Number : RM0311 (Enlarge)


View with front door hidden


Rear View with an optional redundant power supply installed

  • Two 80mm (39.6CFM) rear exhaust fan

Chassis View - QuickTime Java Script

Internal View - QuickTime Java Script




  • Superior layout and airflow design with two 80mm (39.6CFM) rear exhaust fan
  • Two front USB ports
  • Supports ATX form factor motherboards. For EATX, please use RM0311XL
  • Seven exposed 5.25" bays and one exposed 3.5" drive bay
  • Front diagnostic LED display
  • Lockable front door for data security
  • Replaceable and washable air filter


  • 4U height
  • Supports motherboard size up to 12" (width) x 10.5" (depth)
  • Dimensions: 20" x 19" x 7" (DxWxH) w/ mounting brackets
  • EIA 310C Compliant
  • Chassis thickness: 1.2mm.
  • Front Door thickness: 1.4mm aluminum
  • Weight: Approximate 35 lbs (standard unit)

  • Heavy-duty cold-rolled steel
  • Standard motherboard mounting screws included
  • Rear PS/2 keyboard and mouse ports
  • Front handles
  • Accepts standard I/O shields provided by motherboard manufacturers.
    By default, I/O shield is not included.
  • 7 available PCI Slot openings for ATX motherboards
  • 460 watts ATX power supply (Included)

- Tested ATX Motherboards

  • Intel and AMD Desktop Motherboard Support List Updated: 09-24-2006
  • RM0311 supports standard ATX form-factor desktop motherboards with board size up to 12" (Width) x 10.5" (Depth)
  • Other: Supports motherboards with standard ATX I/O Shields
  • Intel and AMD Server Board Support List (Updated: 09-24-2006)
  • RM0311 support most standard ATX form-factor server boards with board size up to 12" (width) x 10.5" (depth)

RM0311 Dimension Drawing



Model #

Product Description


On-Line Ordering FAQ


  • RM0311BK with 460 Watts EPS12V Power Supply (Black Color)



  • RM0311BK with RP8480 480 Watts Redundant ATX EPS12V Power Supply (Black Color)



For Intel Xeon / AMD Opteron Motherboards



  • Need a longer chassis to support 12"x13" EATX motherboards? Click here




  • RP8450 - 450 Watts Redundant ATX (PS/2) Power Supply (EPS12V)



  • Power conversion cable for motherboards that require ATXGES power form factor




Optional Accessories (Most Popular)



  • 24" to 30" adjustable sliding rail for RM0211 Chassis



  • Universal DC 120mm fan for replacement of any Rackmount 120mm fan