Mars Gaming MC-ONYXW Mini Tower White
- Type
- PC
- Depth
- 340 mm
- Width
- 200 mm
- Height
- 395 mm
- Weight
- 3050 g
- Material
- Metal,Tempered glass
- Form factor
- Mini Tower
- Side window
- Y
- Illumination
- Y
Overview
The MC ONYX is a high-performance microATX case designed to offer extreme airflow in a compact form factor. Its metal mesh front maximizes airflow, while the tempered glass side window shows your hardware clearly. Includes 3 120mm ARGB fans with FDB bearings (2 front + 1 rear) and support for up to 240mm liquid cooling on top, plus space for up to 7 120mm fans. All this with separate bottom chamber power supply, GPU up to 292mm and CPU heatsinks up to 165mm.
High-performance metal mesh front
The micro-perforated metal mesh front allows extreme airflow directly to the front fans, keeping temperatures under control even in demanding gaming configurations. The mesh also helps filter dust, preserving the interior cleanliness over time.
Advanced ARGB cooling as standard
The MC-ONYX arrives ready to perform with 3 ARGB120mm fanswith FDB bearings:
2 front inlet + 1 rear exhaust, combining powerful airflow, low noise and long lifespan.
Supports up to 7120mm fans and up to240mm radiatorson top, so you can choose between air or liquid without limitations. Its multiple ARGB lighting effects bring a vibrant and spectacular aesthetics to the equipment.
Tempered glass and separate source chamber
The tempered glass side window turns the MC ONYX into a perfect showcase for your motherboard, GPU and cooling. The separate bottom PSU chamber hides PSU and main wiring, improving airflow to the GPU area and leaving a cleaner and tidier interior.
Compact, powerful and versatile
Designed for micro-ATX and Mini-ITX computers, the MC-ONYX offers space for graphics cards up to 292mm and CPU coolers up to 165mm, allowing you to build very powerful gaming or work configurations in a reduced form factor. Ideal for desktops with limited space or setups looking for a balance between size and performance.
Essential connectivity at your fingertips
The front panel integrates 1× USB 3.0, 1× USB 2.0 and HD audio connections, facilitating quick access to your peripherals, headphones and external drives without having to access the back of the PC.
Compatibility
Compatibility data is automatically generated. Always verify critical specs before purchase.
Technical Specifications
Showing 28 key specifications of 55
All values come from this product’s catalog record.- Type
- PC
- Depth
- 340 mm
- Width
- 200 mm
- Height
- 395 mm
- Weight
- 3050 g
- Material
- Metal,Tempered glass
- Form factor
- Mini Tower
- Side window
- Yes
- Illumination
- Yes
- Reset button
- Yes
- Suitable for
- Gaming
- On/off button
- Yes
- Colour
- White
- Anti-dust filter
- Yes
- Cable management
- Yes
- Pump motor speed
- 1000
- HDD/SSD combo cage
- Yes
- Heat sink included
- Yes
- Illumination colour
- Multi
- Number of 2.5" bays
- 2
- Number of 3.5" bays
- 2
- Rear fans installed
- 1x 120 mm
- Supported HDD sizes
- 2.5,3.5
- Front fans installed
- 2x 120 mm
- Number of 5.25" bays
- 0
- Illumination location
- Case fans
- Power supply included
- No
- Power supply location
- Bottom
Show all 55 specifications
- USB 2.0 ports
- 1
- Tempered glass panel(s)
- Yes
- Combo headphone/mic port
- Yes
- Liquid cooling capability
- Yes
- Maximum CPU cooler height
- 165
- Number of expansion slots
- 4
- Maximum graphics card length
- 292
- Number of internal 3.5" bays
- 2
- Top fans diameters supported
- 120
- Top radiator sizes supported
- 120,240
- Rear fans diameters supported
- 120
- Rear radiator sizes supported
- 120
- Front fans diameters supported
- 120
- Bottom fans diameters supported
- 120
- Number of top fans supported (max)
- 2
- Supported board sizes
- Micro ATX,Mini-ITX
- Number of rear fans supported (max)
- 1
- Supported power supply form factors
- ATX
- Number of front fans supported (max)
- 2
- Number of bottom fans supported (max)
- 2
- USB 3.2 Gen 2x2 Type-C ports quantity
- 0
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 1
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 0
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- 0
- Package depth
- 425 mm
- Package width
- 242 mm
- Package height
- 386 mm
Market Value History
Price history table
| Date | Price |
|---|---|
| 2026-02-26 | $115.26 |
| 2026-03-11 | $118.76 |
| 2026-04-08 | $119.49 |
| 2026-04-16 | $120.05 |
| 2026-04-29 | $119.48 |
| 2026-06-25 | $118.09 |
| 2026-08-23 | $119.44 |
Customer Reviews & Feedback
Based on 5 verified customer reviews on Amazon US.
Review Verification
Hardware Quest synchronizes these ratings daily with Amazon to reflect real buyer experiences, build quality, and long-term reliability.
Sources
Product lifecycle
Catalog: on-marketThe current catalog record marks this product as on-market; this is not independent manufacturer confirmation.
Similar hardware
CASESNo close alternatives in this category yet. Browse the category.