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Black tower server chassis with three front 3.5-inch hot-swap drive bays and blue handles

iStarUSA Inc.

iStarUSA Inc. S-35-3M1BL server chassis, black, mini-ITX, 3× 3.5″ hotswap bays

SKU CH-QJ4Q-VWHZ2 MPN S-35-3M1BL

Compact tower chassis holds three hot-swap 3.5″ drives plus one 2.5″ bay for mini-ITX builds

  • Chassis styleTower
  • Housing materialSECC
  • Supported motherboard sizesMini ITX
  • External 3.5" drive bays3
  • 2.5-inch internal bays1
  • Expansion card slots1

Model S-35-3M1BL

  • Three 3.5″ hotswap bays let you swap drives without downtime
  • Mini-ITX support fits a full server board in a compact tower
  • 0 Gb/s SATA and SAS compatibility keeps storage fast and flexible
  • Front USB 2.0 ports give quick access for peripherals or boot media
  • Heavy-duty SECC steel with 4 mm aluminium front panel protects drives in demanding environments

Compact Storage Tower

The iStarUSA S-35-3M1BL is a black tower chassis built for Mini ITX motherboards and focused on dense storage. It provides three external 3.5-inch hot-swap bays and one internal 2.5-inch bay. The SECC steel construction and 4mm aluminium front panel give a rigid frame for always-on storage workloads.

Tool-Less Drive Access

Drives slide into the front bays without screws and lock via blue handles for quick swaps. The single expansion slot limits add-in cards to one low-profile device. Installers must verify that their Mini ITX board aligns with the rear I/O cutout and that the chosen flex power supply fits the internal cavity before closing the case.

Pre-Build Checklist

Confirm the motherboard is Mini ITX form factor and that the power supply is a compatible flex unit. The chassis supports 6.0Gb/s SATA and SAS hard drives only; other drive interfaces are not supported. Front connectivity is limited to two USB 2.0 ports and an optional 120mm fan can be added for extra airflow.

How it compares

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

Price $311.99
Pricier than about 68% of the 1,006 comparable items (median $222.49).

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Specifications

Product
Brand nameiStarUSA
Model nameS-35-3M1BL
Product colorBlack
Storage
External 3.5" drive bays3
2.5-inch internal bays1
Ports & slots
Expansion card slots1
Front panel ports2 x USB 2.0
Size & build
Chassis styleTower
Housing materialSECC
Product dimensions8.9 in × 8.68 in × 12.76 in
Shipping weight8.17 kg
Package size381 × 279 × 254 mm
Compatibility
Supported motherboard sizesMini ITX

Other versions of this model

3 more in the same range

Questions about this item

How can I confirm the three 3.5″ hotswap bays are operating correctly after installation?

Insert drives into each bay, verify they appear in the BIOS or OS, and check that the front panel activity LEDs blink during read or write operations.

What comes with the chassis and which parts must I purchase separately?

The chassis includes the tower case with three 3.5″ hotswap bays, one internal 2.5″ bay, two front USB 2.0 ports, and a single expansion slot; you must supply a Mini ITX motherboard, drives, a Flex power supply, and an optional 120 mm cooling fan.

Which version of the S-35-3M1BL should I choose for maximum 3.5″ drive capacity?

This model is the only version offered and provides exactly three 3.5″ hotswap bays, so it already delivers the highest drive capacity available in this chassis line.

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