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Black micro ATX mini tower case, steel and plastic, no side window, front USB and audio ports

Rosewill

Rosewill FBM-X5-400 Micro ATX Mini Tower PC Case

SKU CH-6YVK-9MAQR MPN FBM-X5-400

Micro ATX mini tower with a pre-installed 400W PSU, rear 120mm PWM fan, front 240mm or 280mm radiator support, four USB ports and audio

  • Max graphics card length340 mm
  • Housing materialSteel / Plastic
  • Power supply included400 W
  • Power supply mountingBottom
  • Supported motherboard sizesMicro ATX / Mini ITX
  • Side panel typeWithout Side Window

Model FBM-X5 · 400W PSU

  • Ready for compact builds with Micro ATX and Mini ITX support
  • Includes a 400W power supply mounted at the bottom
  • Fits graphics cards up to 340mm and CPU coolers up to 160mm
  • Front panel offers two USB 3.0 ports and two USB 2.0 ports
  • Pre-installed rear 120mm PWM fan with room for 240mm or 280mm front radiators

Micro ATX Mini Tower with 400W PSU

The Rosewill FBM-X5-400 is a compact steel and plastic chassis that includes a pre-installed 400W power supply mounted at the bottom. It accepts Micro ATX and Mini ITX motherboards and provides four expansion slots for add-in cards. A single 120mm PWM fan is fitted at the rear for immediate airflow.

Build Fit: Motherboard, Drives and Cooling

The interior holds one 3.5in drive and two 2.5in drives while leaving room for cable routing behind the motherboard tray. Front and top panels each support two 120mm or two 140mm fans, and the front can take a 240mm or 280mm radiator for liquid cooling. Dust filters cover the intake areas to reduce debris.

Capacity Limits: GPU, Cooler and PSU Length

Graphics cards up to 340mm long fit without obstruction, and CPU coolers up to 160mm tall clear the side panel. The power supply bay accommodates units up to 150mm deep, so longer ATX supplies will not install. These dimensions define the practical ceiling for high-performance parts in this chassis.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $48.99
Cheaper than about 91% of the 1,468 comparable items (median $100.99).
Max graphics card length 340 mm
Lower than about 80% of the 894 comparable items (median 400 mm).

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Specifications

Product
Brand nameRosewill
Model nameFBM-X5-400
Product typeMicro ATX Tower
Product colorBlack
Storage
3.5-inch internal bays1
2.5-inch internal bays2
Ports & slots
Expansion card slots4
Front panel ports2 x USB 3.0 / 2 x USB 2.0 / Audio
Power
Power supply included400 W
Size & build
Max graphics card length340 mm
Housing materialSteel / Plastic
Power supply mountingBottom
Side panel typeWithout Side Window
Dust filteringYes
Fan mounting optionsFront: 2 × 120 mm, 2 × 140 mm
Top: 2 × 120 mm, 2 × 140 mm
Rear: 1 × 120 mm
Product dimensions395 mm × 220 mm × 385 mm
Product weight10 lb (4.54 kg)
Shipping weight5.74 kg
Package size445 × 432 × 254 mm
Compatibility
Supported motherboard sizesMicro ATX / Mini ITX
Radiator supportFront - Up to 240 mm / Front - Up to 280 mm / Rear - Up to 120 mm
CPU cooler height limit160 mm
PSU length limit150 mm
More details
Included fansRear - 1 × 120 mm

Other versions of this model

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Questions about this item

Will the 400W power supply handle a high-end graphics card under sustained load?

The included 400W PSU is non-modular and CE/FCC certified. It suits mainstream builds but may limit high-end GPUs that draw more power continuously.

How loud or hot does the case get when the pre-installed 120mm rear fan runs all day?

One 120mm PWM fan is pre-installed at the rear. You can add up to two 120mm or 140mm fans at the front and two at the top to improve airflow and reduce noise under load.

What motherboard and drive sizes must I already own to fit this chassis?

The case accepts Micro ATX or Mini ITX boards, one 3.5" drive and two 2.5" drives. GPU clearance is 340mm and CPU cooler height is limited to 160mm.

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