Antec Flux M, 3 x 120 PWM ARGB,3 x 120 PWM Reverse Fans Included, Vertical Airflow Design, 360mm Top Radiator Support, Type-C 3.2 Gen 2, Full-Size Dust Filters, Compact Micro-ATX Gaming Case
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AI Verdict
A compact Micro-ATX case with six pre-installed PWM fans and 360mm top radiator support, designed for high-airflow builds.
This case is a strong fit for Micro-ATX and Mini-ITX builds focused on thermal performance, thanks to its six pre-installed PWM fans and support for a 360mm top radiator. The vertical airflow design and ample cable management space make it practical for compact, high-power systems.
If you need more internal space for larger motherboards or more storage drives, look for a mid-tower case that supports ATX motherboards and has more drive bays.
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Pros
- Six pre-installed 120mm PWM fans (3 ARGB, 3 reverse) provide immediate cooling performance.
- Supports up to a 360mm radiator at the top for high-performance liquid cooling setups.
- Vertical airflow design with multi-directional vents accelerates heat exhaust from bottom to top.
- Offers up to 59mm cable management space at the front and 49mm at the rear for clean builds.
- Includes a 13A extension cable for stable power delivery and flexible PSU installation.
- Accommodates GPUs up to 405mm in length and CPU coolers up to 175mm in height.
Cons
- Compact Micro-ATX form factor limits motherboard compatibility to Micro ATX and Mini ITX only.
- Front-mounted PSU chamber might complicate power supply installation for some users.
- Only two 3.5-inch/2.5-inch drive bays, which can be restrictive for storage-heavy configurations.
- Constructed from steel and plastic, which might not offer a premium feel compared to other materials.
Dimension Scores
Six pre-installed PWM fans, vertical airflow, 360mm top radiator support, and multi-directional vents provide exceptional cooling potential for a compact case.
PWM fans offer speed control, which helps manage noise, but six fans will still generate audible airflow under load.
Constructed from steel and plastic with a tempered glass side panel, which is standard for its price band, but not premium materials.
Offers up to 59mm at the front and 49mm at the rear for cable management, which is generous for a Micro-ATX case.
Best For
- Micro-ATX or Mini-ITX gaming builds prioritizing airflow.
- Systems with high-performance GPUs needing direct cooling from bottom fans.
- Users planning a 360mm AIO liquid cooler for the CPU.
- Builders who want pre-installed, synchronized ARGB fans.
Not Recommended For
- ATX or E-ATX motherboard users.
- Builds requiring extensive storage with multiple traditional HDDs/SSDs.
- Users who prefer a minimalist aesthetic without RGB lighting.
Watch Out For
- The front-mounted PSU chamber might make power supply installation awkward or restrict cable routing for certain PSU models.
- With a maximum GPU length of 405mm and CPU cooler height of 175mm, carefully checking component dimensions is crucial to avoid clearance issues in the compact chassis.
- The limited two 3.5-inch/2.5-inch drive bays mean you'll need external storage or M.2 SSDs if you have many drives.
Full Specifications
| ASIN | B0FSKTFY2Q |
| Brand | Antec |
| Color | FLUX M |
| Series | Flux M |
| Material | Alloy Steel |
| Case Type | Mini-Tower |
| Model Name | Flux M |
| Item Weight | 14 pounds |
| Manufacturer | Antec |
| Cooling Method | Air |
| Item model number | Flux M |
| Product Dimensions | 18.07 x 14.37 x 9.72 inches |
| Item Dimensions LxWxH | 18.07 x 14.37 x 9.72 inches |
| Number of USB 3.0 Ports | 1 |
| Motherboard Compatability | Micro ATX, Mini ITX |
| Power Supply Mounting Type | Bottom Mount |
| Recommended Uses For Product | Gaming |
What Buyers Say
The Antec Flux M is designed around maximizing airflow in a compact Micro-ATX footprint, shipping with six PWM fans and supporting a 360mm top radiator. Its vertical airflow design is a key selling point for GPU cooling, and the generous cable management space is a practical feature for builders. The front-mounted PSU chamber is a design choice that frees up internal space but might be an adjustment for some.
“This case is tiny but it fits my RTX 4080 and a 360mm AIO, the airflow is insane for how small it is, but getting the PSU in was a bit of a puzzle.”
Common Praise
- Six pre-installed fans provide out-of-the-box cooling performance.
- The vertical airflow design effectively cools the GPU.
- Support for a 360mm radiator at the top allows for high-end liquid cooling in a small case.
- Ample cable management space makes for cleaner builds.
- USB Type-C 3.2 Gen 2 on the front panel is convenient for modern peripherals.
Common Complaints
- The compact size restricts motherboard compatibility to Micro-ATX and Mini-ITX.
- Front-mounted PSU can make power supply installation a bit tricky.
- Limited drive bays (two 3.5-inch/2.5-inch) might not be enough for some users.
- The steel and plastic construction, while functional, isn't a premium feel.
Ownership Tips
- The pre-installed fans are addressable RGB, so you'll need a compatible motherboard header or controller to customize lighting.
- The 13A PSU extension cable is a specific length, so plan your power supply orientation carefully.
- Dust filters are full-size, but regular cleaning will be important given the high airflow design.
- The built-in GPU support bracket is a useful addition for preventing sag with long graphics cards.
Frequently Asked Questions
What motherboard sizes does the Antec Flux M support?
It supports Micro-ATX and Mini-ITX motherboards.
How many fans are included with the case?
Six 120mm PWM fans are pre-installed: two ARGB PWM fans at the front, three reverse PWM fans at the bottom, and one ARGB PWM fan at the rear.
Can I install a liquid cooler in this case?
Yes, it supports up to a 360mm radiator at the top of the case.
What is the maximum GPU length supported?
The case can accommodate graphics cards up to 405mm in length.
Where is the power supply mounted?
The power supply is mounted in a front-mounted chamber, and the case includes a 13A extension cable for it.
Does it have USB-C on the front panel?
Yes, the front I/O panel includes one USB 3.0 port and one Type-C 3.2 Gen 2 (10 Gbps) port.
Buying Guide
When picking a PC case, especially a compact one, you need to think about airflow and component compatibility. A case like this, with its vertical airflow and many fans, is designed to keep things cool even with powerful hardware. But that compact size means you have to be careful about what motherboard, GPU, and CPU cooler you pick.
Compatible (Micro ATX, Mini ITX)
This tells you the size of the motherboard that will fit. Micro ATX and Mini ITX are smaller than standard ATX, so your build will be more compact and take up less desk space.
Fan Size (360mm top radiator support)
This refers to the largest liquid cooling radiator you can install at the top. A 360mm radiator means you can run a high-performance CPU without worrying about heat, similar to how a larger car radiator keeps an engine cooler.
Vertical Airflow Design
Instead of just front-to-back, this case pulls air from the bottom and exhausts it out the top. This is particularly effective for cooling the GPU, as hot air naturally rises, creating a more efficient cooling path.
Cable Management Space (up to 59mm front, 49mm rear)
This is the gap behind the motherboard tray where you hide your cables. More space means an easier, cleaner build, preventing cables from obstructing airflow and making your PC look tidier.
Alternatives
If you need to use a standard ATX motherboard, or require more than two 3.5-inch/2.5-inch drive bays, look for a mid-tower case with a traditional PSU mounting location and more storage options.
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