Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Ports & interfaces | |
| Audio input | Yes |
| Audio output | Yes |
| USB 2.0 ports quantity | 2 |
| Headphone outputs | 1 |
| Microphone in | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) ports quantity | 2 |
| Combo headphone/mic port | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Weight & dimensions | |
| Weight | 5.45 kg |
| Height | 365 mm |
| Width | 188 mm |
| Depth | 358 mm |
| Material thickness | 2 mm |
| Storage | |
| Card reader integrated | ![]() |
| Number of HDDs supported | 1 |
| Supported HDD sizes | 2.5,3.5" |
| Number of storage drives supported | 4 |
| HDD/SSD combo cage | ![]() |
| SSD form factor | 2.5" |
| Packaging data | |
| Package weight | 7.05 kg |
| LED controller | ![]() |
| Cooling | |
| Cooling | ![]() |
| Rear fans diameters supported | 120 mm |
| Top fans diameters supported | 140 mm |
| Number of rear fans supported (max) | 1 |
| Number of top fans supported (max) | 1 |
| Top fans installed | 1x 140 mm |
| Rear fans installed | 1x 120 mm |
| Liquid cooling capability | ![]() |
| Rear radiator sizes supported | 120 mm |
| Rear radiator installed | ![]() |
| Front radiator installed | ![]() |
| Top radiator installed | ![]() |
| Top radiator sizes supported | 140 mm |
| Fan speed control | ![]() |
| Other features | |
| Expansion slots | 4 |
| Power LED | ![]() |
| On/off switch | ![]() |
| Screws included | ![]() |
| Design | |
| Type | PC |
| Rack mounting | ![]() |
| Material | Aluminium, Steel |
| Cable lock slot | ![]() |
| Product colour | Black |
| Illumination | ![]() |
| Cable management | ![]() |
| Reset button | ![]() |
| Supported motherboard form factors | ITX, micro ATX |
| Anti-dust filter | ![]() |
| Number of 3.5" bays | 1 |
| Transport wheels | ![]() |
| Side window | ![]() |
| Number of internal 3.5" bays | 1 |
| Maximum CPU cooler height | 16.3 cm |
| Maximum graphics card length | 32 cm |
| Number of expansion slots | 4 |
| Maximum PSU length | 16 cm |
| Number of 2.5" bays | 3 |
| On/off button | ![]() |
| Tempered glass panel(s) | ![]() |
| RGB control button | ![]() |
| Power supply | |
| Number of power supply units | 1 |
| Power supply included | ![]() |
| Supported power supply form factors | PS2 |
| EAN | 6970620550893 |
The Jonsbo UMX3 is a Micro-ATX chassis constructed from aluminum and steel, offering a solid frame within a compact footprint. Its design is tailored for space-conscious builds and includes a tempered glass side window for viewing internal hardware. The exterior presents a clean, minimalist aesthetic suitable for various desktop environments, providing a balance of form and functional component support. This build quality extends to the 2 mm thick panels which enhance overall rigidity.
Engineered specifically for Micro-ATX motherboards, the internal layout supports standard ATX power supplies and provides four expansion slots for graphics cards and other peripherals. The case is equipped for effective thermal management with pre-installed top and rear fans. It also features mounting points for radiators, enabling the installation of liquid cooling systems. A combination of drive bays accommodates both 2.5-inch and 3.5-inch storage devices for flexible configurations.
Key Features:- Supports Micro-ATX motherboards
- Features a chassis constructed from aluminum and steel
- Includes a tempered glass side panel for component visibility
- Accommodates one 3.5-inch and three 2.5-inch storage drives
- Provides clearance for CPU coolers up to 163 mm in height
- Fits standard ATX (PS2) power supplies up to 160 mm long
- Equipped with one 140 mm top fan and one 120 mm rear fan
- Offers radiator support for 140 mm (top) and 120 mm (rear) units
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- manual pdf (English)


