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Black 4U rackmount server chassis with lockable front door, three 5.25 inch bays, one 3.5 inch bay

TOPOWER

TOPOWER TP-4054B 4U Black Rackmount Server Chassis

SKU CH-7ABD-WR97K

A 4U black rackmount server chassis with three external 5.25" bays, one external 3.5" bay, three internal 3.5" bays, seven expansion slots, two 80mm fans.

  • Chassis TypeRackmount
  • Form Factor4U
  • ColorBlack
  • Motherboard CompatibilityATX / Micro ATX
  • External 5.25" Drive Bays3
  • External 3.5" Drive Bays1
  • 4U rackmount form factor fits standard 19" server cabinets
  • Seven drive bays including three external 5.25" and three internal 3.5" bays
  • Eight expansion slots support full-size ATX motherboards up to 12" x 10
  • Dual 80mm fans plus washable air filter maintain steady airflow
  • Lockable front door secures internal components against unauthorised access

4U rackmount chassis for ATX servers

The TOPOWER TP-4054B is a 4U black rackmount server chassis designed to house ATX or Micro ATX motherboards up to 12 by 10 inches. It provides seven expansion slots for add-in cards and a lockable front door for physical security. This chassis suits administrators building rack-mounted servers or workstations in standard 19-inch cabinets.

Drive bay layout and expansion limits

Seven drive bays are available: three external 5.25-inch bays, one external 3.5-inch bay and three internal 3.5-inch bays. The seven expansion slots support full-height cards, but the 4U height restricts CPU cooler and card length clearance to what fits within the 19 by 21.25 inch internal envelope. No tool-less drive carriers or hot-swap backplanes are included.

Steel construction with front airflow management

The chassis uses steel panels and includes two 80mm fans behind a washable air filter on the front door, with additional ventilation holes on the front and rear panels. Front-mounted USB ports provide convenient peripheral access. At 37 pounds the unit requires two-person handling or a lift when mounting into a rack.

Highlights

  • 4U rackmount form factor fits standard 19" server cabinets
  • Seven drive bays including three external 5.25" and three internal 3.5" bays
  • Eight expansion slots support full-size ATX motherboards up to 12" x 10
  • Dual 80mm fans plus washable air filter maintain steady airflow
  • Lockable front door secures internal components against unauthorised access

Specifications

Series4U
ModelTP-4054B
Chassis TypeRackmount
Form Factor4U
ColorBlack
Motherboard CompatibilityATX / Micro ATX
External 5.25" Drive Bays3
External 3.5" Drive Bays1
Internal 3.5" Drive Bays3
Expansion Slots7
Front PortsUSB
80mm Fans2
Dimensions7 X 19 X 21.25
Weight37

Questions about this item

How do I choose between the three 5.25" bays, the single 3.5" bay and the three internal 3.5" bays for my storage layout?

Use the three 5.25" bays for optical drives or hot-swap cages, the external 3.5" bay for a removable drive, and the three internal 3.5" bays for fixed hard disks.

What does the 4U height mean when the chassis is mounted in a standard rack?

It occupies 7 inches of vertical rack space, fitting a 19-inch wide cabinet with a depth of 21.25 inches.

How many expansion cards can the seven slots accommodate with an ATX board installed?

All seven slots are usable, giving room for up to seven full-height add-in cards alongside a 12 by 10 inch motherboard.

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