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Home > 4 Post Server Rack Frames > 4 Post Open Frame Server Rack

Cruxial Series 4 Post Open Frame Server Rack

The Cruxial Series 4 Post Server Rack expands to fit your equipment, includes a FREE bottom shelf, 50-pack of screws and cage nuts, supports 3000 lbs, and is Made in the USA.


Cruxial 4 post rack
4 Post Server Rack, 42u Server Rack, 24u Server Rack

Buy Server Racks Now

Why do we call this open frame rack Cruxial™?

It doesn't lock you in to your current equipment depth. Just expand the rack's adjusting rails and no need to purchase another rack. The bottom plates serve as a FREE shelf. This rack supports 3000 lbs! How's that for value and making your life easier?

4 Post Open Frame Server Rack Features:
  • 24u, 42u and 55u 4 post server rack
  • 19"w steel frame with adjustable universal mounting rails.
  • 3000 lb capacity loaded*
  • "L" shaped square mounting rails for maximum versatility. Mount to front or side of rail. U markings
  • Rails adjust from 22.5" to 35.25"d.
  • Bottom plates serve as FREE shelf.
  • Freestanding, can be bolted to the floor, levelers standard, casters optional.
  • Multiple racks gang side-by-side seamlessly.
  • Free 50 pcs 10-32 rack screws and cage nuts included
  • Flat black powder coat finish.
  • Made in the USA. Assembly required.

*If rack is loaded to full 3000 lb load rating, it should be bolted to the floor. 1500 lbs on optional casters.


This Cruxial Series 4-post server rack expands from 22.5" to 35.25"d, allowing it to grow with your equipment purchases, and has been designed with a strong "L" shaped universal square hole rackrail. It is ideal for all rackmount servers, KVM switches, and network equipment.

RS-4postrack-24u-specifications RS-4POSTRACK-24u Specs
RS-4postrack-42u-specifications RS-4POSTRACK-42u Specs
RS-4postrack-55u-specifications RS-4POSTRACK-55u Specs
Download 4 post rack 4 Post Open Frame Rack Assembly Instructions

How to Assemble the Cruxial Series 4-Post Rack Video

RACKPACK $158 (Save 15%)
4 Post Rack Accessories
(1) RS-4CASTERS, Non-locking
(1) VSD 2u shelf, supports 350 lbs
(1) RM815 15 AMP Power Strip 8 outlets
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Made in America
RoHS Compliant

Ships by ups UPS
  Description
Rack U
FREE
Bottom
Shelf
With
Angle
Brackets
Internal
Dims
External Dims Price
RS-4POSTRACK-24
24u 4 Post Open Frame Server Rack
24u
42"h
19"w
22.5-35.25"d
46.3"h
24.1"w
22.5-36"d
$389
RS-4POSTRACK-24AB
24u 4 Post Open Frame Server Rack
24u
42"h
19"w
22.5-35.25"d
46.3"h
24.1"w
22.5-36"d
$438

RS-4POSTRACK-42
42u 4 Post Open Frame Server Rack
42u
73.5"h
19"w
22.5-35.25"d
77.8"h
24.1"w
22.5-36"d
$399
RS-4POSTRACK-42AB
42u 4 Post Open Frame Server Rack
42u
73.5"h
19"w
22.5-35.25"d
77.8"h
24.1"w
22.5-36"d
$448

RS-4POSTRACK-55
55u 4 Post Open Frame Server Rack
55u
96.25"h
19"w
22.5-35.25"d
100.6"h
24.1"w
22.5-36"d
$499
RS-4POSTRACK-55AB
55u 4 Post Open Frame Server Rack
55u
96.25"h
19"w
22.5-35.25"d
100.6"h
24.1"w
22.5-36"d
$526
OPTIONAL RACK PACK
RACKPACK
(Save 15%)

(1) VSD shelf
(1) RM815 Power Strip
(1) set of non-locking casters
$182
$158
OPTIONAL CASTERS
RS-4CASTERS
Set of 4 non-locking casters
Adds 5.25" to height of rack
Each Caster - 300 lb Weight Capacity
$46
RS-4CASTERS-L
Set of 4 casters, (2) locking.
Adds 5.25" to height of rack
Each Caster - 300 lb Weight Capacity
$56
EXTRA ANGLE BRACKETS
AB2035
Pair of Adjustable angle brackets. Adjusts from 20"-35"
Attaches to front of rack rail, uses 1u space
$49