Mars Gaming logo MPN: MCONYXW

Mars Gaming MC-ONYXW Mini Tower White

Cases
Released: Not on record
$119.44
from US · Amazon.com · Updated 2 months ago Last updated Sep 3, 2026 03:14 UTC · Price sourced from Amazon.com (United States).
4.2 / 5 (5 ratings)
View reviews breakdown
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
View 55 specifications
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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

Form factor Mini Tower

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
DatePrice
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

Verified Amazon Score
4.2 / 5.0

Based on 5 verified customer reviews on Amazon US.

5 star
72%
4 star
18%
3 star
6%
2 star
2%
1 star
2%

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-market

The current catalog record marks this product as on-market; this is not independent manufacturer confirmation.

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