Does the Rosewill FBM-X5 case come with a power supply, and if so, what is its wattage?

Yes, the Rosewill FBM-X5 case comes with a pre-installed 400W power supply.

What is the maximum GPU length that can fit in the Rosewill FBM-X5 case?

The maximum GPU length that can fit in the Rosewill FBM-X5 case is 340 mm.

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Main image of Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Alt view image 2 of 9 - Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Alt view image 3 of 9 - Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Alt view image 4 of 9 - Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Alt view image 5 of 9 - Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Alt view image 6 of 9 - Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Alt view image 7 of 9 - Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Alt view image 8 of 9 - Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Alt view image 9 of 9 - Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

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Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

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Options: FBM-X5 | 400W PSU

Helix | 400W PSU
FBM-X5 | 400W PSU
FBM-X6 | 80+ Gold 650W PSU
FBM-X7 | 80+ Gold 650W PSU
Glass Panel | 80+ Gold 650W PSU
Mesh Panel | 80+ Gold 650W PSU
Helium Air - Black
Helium Air - White
Helium Air ARGB - Black
Helium Air ARGB - White
Flow - Black
Flow - White
Flow ARGB - Black
Flow ARGB - White

Sleek & Versatile Design: Build elegant office systems or compact gaming PCs in this sturdy steel/plastic mini case.
Spacious Interior Layout: Supports microATX/mini-ITX motherboards with 4 expansion slots, one 3.5" bay, and two 2.5" drive bays.
Pre-Installed 400W PSU: Includes CE/FCC certified non-modular 400W power supply for reliable operation.
Optimized Cable Management: Designed for easy organization of cables and wires within the straightforward desktop chassis.
Flexible Cooling Options: Features one rear 120mm fan + supports two front 120mm fans, two top 120mm fans, or one 240mm front radiator.

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Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case

Model
Brand	Rosewill
Model	FBM-X5-400

Details
Type	Micro ATX Tower
Color	Black
Case Material	Steel / Plastic
With Power Supply	400W
Power Supply Mounted	Bottom
Motherboard Compatibility	Micro ATX / Mini ITX
Side Panel	without Side Window
Dust Filters	Yes

Expansion
Internal 3.5" Drive Bays	1
Internal 2.5" Drive Bays	2
Expansion Slots	4

Front Panel Ports
Front Ports	2 x USB 3.0 / 2 x USB 2.0 / Audio

Cooling System
Fan Options	Front: 2 x 120mm, 2 x 140mm Top: 2 x 120mm, 2 x 140mm Rear: 1 x 120mm
Pre-installed Fans	Rear - 1 x 120mm
Radiator Options	Front - Up to 240mm / Front - Up to 280mm / Rear - Up to 120mm

Dimensions & Weight
Max GPU Length	340 mm
Max CPU Cooler Height	160 mm
Max PSU Length	150 mm
Dimensions	395mm x 220mm x 385mm
Weight	10 lbs

Additional Information
First Listed on Newegg	October 08, 2025

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 1 year
Limited Warranty period (labor): 1 year
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Return Policies

Return for refund within: 30 days

Return for replacement within: 30 days

This item is covered by Newegg.com's 30-Day Return Policy.
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Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Learn more about the Rosewill FBM-X5-400

Customer Reviews of the Rosewill FBM-X5-400

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16811147373

Rosewill FBM-X5 Micro ATX Mini Tower Desktop Gaming & Office PC Computer Case with Pre-Installed 400W Power Supply, 240mm / 280mm AIO Support, 2X USB 2.0, 2 USB 3.0, 1x 120mm PWM Fan

Learn more about the Rosewill FBM-X5-400

Customer Reviews of the Rosewill FBM-X5-400

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info