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Black steel tower chassis with four front 2.5 inch hot-swap drive bays and a semi-transparent lockable door

iStarUSA Inc.

iStarUSA Inc. S-254JB-RF server chassis 4×2.5" hotswap 150W

SKU CH-EGQA-D48W6 MPN S-254JB-RF

A compact JBOD tower holding four hot-swap 2.5" drives with a 150W supply and a single 60mm fan

  • Chassis TypeTowerU
  • ColorBlack
  • Case MaterialSteel
  • Power Supply150W
  • Internal 3.5" Drive Bays4 x 2.5" Hotswap
  • Expansion Slots1 (Centronics)
  • Hot-swap four 2.5" drives without tools
  • 150 W open-frame power supply included
  • Semi-transparent door with key lock secures drives
  • 60 mm fan improves internal airflow
  • Supports SAS and SATA drives at 6.0 Gb/s

Compact JBOD tower for 2.5" drives

This iStarUSA S-254JB-RF chassis is a TowerU enclosure that holds four 2.5" hot-swap bays for SAS I/II and SATA I/II/III drives. The steel frame includes a semi-transparent door with a key lock and a 150W open-frame power supply. It is built for users who need external, high-density storage in a small footprint.

Single 60mm fan and 150W supply

One 60mm fan provides internal airflow across the drive cage while the included 150W unit powers the backplane and drives. The steel construction helps dissipate heat passively, and the fan speed is fixed for steady cooling. Acoustic output stays low enough for office or desk-side placement.

Replaces larger direct-attached arrays

This unit suits administrators who want to move from bulky multi-U rack trays to a portable tower without losing hot-swap convenience. The jump is worthwhile when drive count stays at four and 6.0Gb/s SAS or SATA throughput meets the workload. Builders needing 3.5" bays, additional expansion slots or redundant power should look elsewhere.

Highlights

  • Hot-swap four 2.5" drives without tools
  • 150 W open-frame power supply included
  • Semi-transparent door with key lock secures drives
  • 60 mm fan improves internal airflow
  • Supports SAS and SATA drives at 6.0 Gb/s

Specifications

BrandiStarUSA
ModelS-254JB-RF
Chassis TypeTowerU
ColorBlack
Case MaterialSteel
Power Supply150W
Internal 3.5" Drive Bays4 x 2.5" Hotswap
Expansion Slots1 (Centronics)
60mm Fans1
FeaturesiStarUSA external multi-bay JBOD tower series are designed specially for storage applications. With iStarUSA hotswap hard drive cage, it is able to hold 4x 2.5" HDDs/SSDs for storing mass data. 60mm cooling fan enhances the ventilation inside. The external JBOD storage cases with solid construction are a cost-effective and flexible solution for your critical data storage.
Dimensions5.82" x 5.31" x 10.76"
Shipping weight9.07 kg
Package size381 × 229 × 203 mm

Questions about this item

How do I install a 2.5" drive into the hotswap bay and what step is often missed?

Slide the drive into the tray, secure it with the thumb screw, then insert the tray until the connector seats firmly; the missed step is not tightening the thumb screw fully.

What maintenance will the 60mm cooling fan need over time?

The single 60mm fan will collect dust and may need cleaning or replacement to maintain airflow through the steel chassis.

What limit appears first when all four bays run sustained writes on the 150W supply?

The 150W open-frame power supply is the first limit under sustained multi-drive write loads.

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