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Black 4U rackmount server chassis aluminium alloy front USB three zero power reset LEDs

iStarUSA

iStarUSA Inc. D-406L-EC 4U Rackmount Server Chassis

SKU CH-JQ0D-NPYST MPN D-406L-EC

A 4U rackmount server chassis holding Micro ATX or ATX boards with three 120 mm and two 80 mm fans, front USB 3.0 ports and liquid-cooling readiness

  • Form factor4U
  • Chassis styleRackmount
  • Housing materialAluminum alloy
  • Supported motherboard sizesMicro ATX / ATX
  • Product colorBlack
  • Supports Micro ATX and ATX motherboards for flexible builds
  • Three 120 mm and two 80 mm fans provide strong airflow
  • Front USB 3.0 ports give quick peripheral access
  • Aluminium alloy construction keeps the 4U chassis light and rigid
  • Liquid-cooling ready design suits high-density server deployments

4U Rackmount Server Chassis

The iStarUSA D-406L-EC is a 4U rackmount server chassis built for Micro ATX and ATX motherboards. Its aluminum alloy construction keeps weight down while providing structural rigidity for dense deployments. The black finish suits standard data-centre aesthetics. This long-version chassis targets integrators who need extended internal clearance.

Cooling and Front I/O Limits

Three 120 mm fans and two 80 mm fans deliver airflow across the full depth of the enclosure. Liquid-cooling loops can be installed, but radiator length is bounded by the chassis interior. Front-panel I/O supplies two USB 3.0 ports for local media or diagnostic devices. No additional front-panel connectivity is provided.

Motherboard Form-Factor Gate

Micro ATX and ATX boards are the only supported form factors; E-ATX and larger server boards will not fit. Builders requiring dual-socket or extended-ATX layouts must select a different enclosure. The 4U height fits standard racks, yet the long depth may conflict with shallow cabinets. Verify rack depth before ordering.

How it compares

Measured against everything we stock in Rackmount Server Cases, at today’s prices. Recalculated every night.

Price $179.99
Cheaper than about 66% of the 1,005 comparable items (median $222.99).

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Specifications

Product
Brand nameiStarUSA
Model nameD-406L-EC
Part numberD-406L-EC
Product colorBlack
Size & build
Form factor4U
Chassis styleRackmount
Housing materialAluminum alloy
Shipping weight19.05 kg
Package size864 × 559 × 305 mm
Compatibility
Supported motherboard sizesMicro ATX / ATX

Questions about this item

Should I choose the standard or the long version of this 4U rackmount chassis?

The D-406L-EC is the long version, giving extra depth for larger motherboards or additional drive cages compared with the standard model.

What does the 120 mm triple-fan layout mean for airflow in a populated server?

Three 120 mm fans at the front pull cool air across the motherboard and drive bays, while two 80 mm rear fans exhaust heat, providing balanced front-to-back cooling under load.

How does the front USB 3.0 interface perform when connected to a motherboard header?

Each front port runs at USB 3.0 speeds up to 5 Gb/s, limited only by the motherboard header and cable quality, so external SSDs or backup drives operate at their rated throughput.

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