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Open black 48U server rack frame, 89 inches tall, no sides or roof

Tripp Lite

Tripp Lite SR48UBEXPNDNR3 48U Server Rack

SKU CH-8PDQ-VM21E MPN SR48UBEXPNDNR3

A 48U open-frame rack expansion unit that holds 3000 lb of 19-inch equipment with adjustable rails and integrated baying tabs for row deployment

  • TypeRack Frame
  • Rack Units48U
  • SpecificationForm Factor:19" 48U
  • FeaturesPackage Contents: 48U 4-Post SmartRack Premium Open Frame Ra
  • Unit DimensionHeight:89.0" x Width:23.6" x Depth:43.0"
  • Unit Weight163.00 lb
  • Houses 3000 lb of 19-inch equipment in 48U
  • Adjustable rails with quarter-inch depth index from 4 to 37 inches
  • Numbered rack spaces support tool-less 0U PDU and cable manager mounting
  • Preinstalled 3-inch casters and levelers simplify positioning and securing
  • All components grounded to frame with front and rear threaded grounding points

Expansion Frame for Row Deployments

The SR48UBEXPNDNR3 is a 48U open-frame rack designed to expand existing rows in data centres. It accepts standard 19-inch equipment and uses integrated baying tabs to join securely with adjacent enclosures. The frame supports up to 3000 lb of gear across its full height. It suits administrators building contiguous rack aisles.

Included Hardware and Mounting Flexibility

The package supplies two accessory mounting rails, fifty M6 cage nuts, fifty M6 screws and stabilising brackets. Front and rear vertical rails feature square holes adjustable in quarter-inch increments from 4 to 37 inches, with a depth index for repeatable positioning. Each U space is numbered and supports tool-less button-mount installation for up to four compatible 0U PDUs or cable managers.

Grounded Construction and Mobility

All metal components are bonded to the frame, with threaded grounding points at front and rear for facility earth connection. Heavy-duty 3-inch casters are preinstalled for manoeuvring into place, while preinstalled levelers secure the rack once positioned. The unit measures 89.0 inches high, 23.6 inches wide and 43.0 inches deep, weighing 163.00 lb.

Highlights

  • Houses 3000 lb of 19-inch equipment in 48U
  • Adjustable rails with quarter-inch depth index from 4 to 37 inches
  • Numbered rack spaces support tool-less 0U PDU and cable manager mounting
  • Preinstalled 3-inch casters and levelers simplify positioning and securing
  • All components grounded to frame with front and rear threaded grounding points

Specifications

BrandTripp Lite
ModelSR48UBEXPNDNR3
TypeRack Frame
Rack Units48U
SpecificationForm Factor:19" 48U
FeaturesPackage Contents:
48U 4-Post SmartRack Premium Open Frame Rack (No Sides, Doors Or Roof)
2 x Accessory Mounting Rails
50 x M6 Cage Nuts
50 x M6 Screws
Stabilizing Brackets
Owner's Manual
Unit DimensionHeight:89.0" x Width:23.6" x Depth:43.0"
Unit Weight163.00 lb
Shipping weight96.62 kg
Package size2286 × 1029 × 622 mm

Questions about this item

What hardware is included if I need to replace mounting hardware later?

The rack ships with 50 M6 cage nuts and 50 M6 screws, plus two accessory mounting rails and stabilizing brackets for future additions.

How deep can the front and rear rails be set before the adjustment range ends?

The vertical rails adjust in quarter-inch increments from 4 to 37 inches deep, with a depth index for consistent placement.

How much heat or noise does the rack add when it runs all day?

The open frame has no fans or power supply, so it adds no heat or noise of its own — only the installed equipment contributes.

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