Micro ATX Mini Tower PC Case FBM-X2-400-HELIX - Compact Power

In this review of the FBM-X2-400-HELIX case, the bottom line is straightforward: this compact Micro ATX mini tower is for builders who want a sturdy, space-conscious chassis with a pre-installed power supply so they can start assembling quickly. The most compelling reason to buy is the combination of a CE and FCC certified 400W PSU included and a roomy interior that supports a microATX or mini ITX board plus multiple drive bays and expansion slots. It balances sensible cable management and airflow in a simple, no-nonsense package.

Key Features

• Sleek Design: The steel and plastic construction produces an elegant office appearance while still being robust enough for a basic gaming build.
• Pre-installed PSU: The included CE and FCC certified non-modular 400W power supply provides immediate power without hunting for a separate unit.
• Spacious Interior: Support for microATX or mini ITX motherboards, four expansion slots, and multiple drive bays makes component installation flexible.
• Good Airflow: A rear 120mm fan is pre-installed and the case supports two front 120mm fans and two top 120mm fans or a front 240mm radiator for cooling options.
• Drive Support: The case includes one internal 3.5' drive bay and three internal 2.5' drive bays to accommodate a mix of HDD and SSD storage.
• Cable Management: Straightforward internal layout and routing points help keep cables tidy for better airflow and a clean build.

Who It's For

The FBM-X2-400-HELIX is aimed at budget-conscious builders who need a dependable small form factor case for home office machines or entry-level gaming rigs. It is a good fit when you want a fast start to a build since the PSU is already installed and certified, and when you value a compact footprint without giving up several drive options.

Builders who need high-end cooling, modular power supplies, very large graphics cards, or advanced noise dampening should look elsewhere. Also, users who prefer a modular PSU for cleaner cable routing or higher wattage for demanding components may want a different chassis.

Pros & Cons

Pros

• Solid metal construction and neat appearance that suits both office and gaming setups.
• Includes a certified 400W PSU so builders can power up immediately without sourcing a separate supply.
• Flexible cooling mounts and multiple drive bays allow meaningful upgrades within a compact case.

Cons

• The included non-modular PSU has attached cables which can make the interior slightly more cluttered on compact builds.

Specifications

Form Factor	MicroATX / Mini ITX compatible
Pre-installed Power Supply	400W non-modular PSU (CE and FCC certified)
Cooling	1x 120mm rear fan included; supports 2x 120mm front, 2x 120mm top, or 1x 240mm front radiator
Drive Bays	1 internal 3.5' bay, 3 internal 2.5' bays
Expansion Slots	4 expansion slots
Front I/O	2x USB 2.0, 1x USB 3.0

Our Verdict

The FBM-X2-400-HELIX is a sensible choice for someone building a compact office PC or an entry-level gaming rig who values a sturdy case with a ready-to-use PSU and flexible drive and cooling options. It offers solid build quality and useful features at a modest price, though builders who want a modular PSU or maximum internal neatness should consider alternatives.

Frequently Asked Questions

Does the case include a power supply?
Yes, it ships with a CE and FCC certified 400W non-modular PSU pre-installed.

What motherboard sizes fit this case?
The chassis supports microATX and mini ITX motherboards.

Can it fit a radiator for liquid cooling?
Yes, it supports a 240mm radiator in the front or multiple 120mm fan configurations for air cooling.