RM0312 4U Extended Depth ATX Rackmount Chassis

Versatile Chassis with Superior Reliability

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Model Number : RM0312( Click here to enlarge)

Formally RM0311XL

View with front door hidden and optional CD-ROM Reader and Removable Drive Bay Cage


Rear View with Optional Redundant Power Supply

  • Three 120mm (88CFM) inline cooling fans
  • Two 80mm (39.6CFM) rear exhaust fan

Chassis View - QuickTime Java Script

Internal View - QuickTime Java Script




  • Superior layout and airflow design with:
    Three 120mm (88CFM) inline cooling fans
    Two 80mm (39.6CFM) rear exhaust fan
  • Two front USB ports
  • Supports ATX, EATX form factor motherboards
  • Seven exposed 5.25" bays and one exposed 3.5 " drive bay
  • Front diagnostic LED display
  • Lockable front doors
  • Replaceable and washable air filter


  • 4U height
  • Supports server board size up to 12" (width) x 13.5" (depth)
  • Dimensions: 25" 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 / AMD Desktop Motherboard Support List (Updated: 09-24-2006)
  • RM0311XL supports standard ATX form -factor motherboards with board size up to 12" (width) x 13.5" (depth)
  • Other: Supports motherboards with standard ATX I/O Shields
  • Intel / AMD Server Board Support List (Updated: 9-24-2006)
  • RM0311XL supports EATX form-factor server boards with board size up to 12" (width) x 13.5" (depth)
  • SuperMicro (Intel Xeon) X7DB8-X,X7DBE-X, X7DB3, X7DBE, X7DA8, X7DAE, X70AL-E, X7DVL-E, X7DVA-8, X78DVA-E
  • SuperMicro P4DSE, P4DC6/P4DC6+, P4DS6, P4DEE, P4DL6, P4DSE
  • Intel SE7500CW2( Please call for latest Intel support list)*
  • Tyan (AMD Opteron) S3892, S3870, S2895, S2885, S2882, S2875, S2866, S2865, S3850, S3950, S2925,S3970G2N-U, S3870G2NR, S3992, S2927, S2877
  • Tyan (INTEL Xeon) S5383, S5380, S5372, S5370,S2696, S2692, S5365, S5362, S5360,S5353, S5350, S2676, S2735,

* Note: This board required a special version of RM0311XL rackmount chassis. Model#RM0211BK-SE7500CW2


RM0311XL Dimensions



Model #

Product Description


On-Line Ordering FAQ


  • RM0312BK with 460 Watts EPS12V Power Supply (Black Color)


  • RM0312BK with RP8480 480 Watts Redundant ATX EPS12V Power Supply and HDC100 Drive Cage (Black Color)


  • RM0312BK with RP8480 480 Watts Redundant ATX EPS12V Power Supply (Black Color)



For Intel Xeon / AMD Opteron Motherboards



  • RP8480 - 480 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, RM0311 and RM0312 Chassis



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