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Jonsbo UMX3 Black

Mini Tower case with transparent acrylic panel

149€95
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Overview

Compact case with a sleek, minimalist and robust design

The Jonsbo UMX3 Mini Tower case is made entirely of aluminium-magnesium alloy. Its superb design is sleek, minimalist and very robust. Jonsbo's talented engineers used aluminium on the outside and steel on the inside, combined with innovative assembly technology. The result is a case with a solid structure, a sleek aesthetic and exceptional cooling capacity. In fact, for the latter advantage, it is also equipped with hidden cooling channels on the underside.

The third model in the UMX series, the UMX3 is designed for Micro ATX and Mini ATX motherboards. Its main advantage lies in its optimised compatibility with high-end components. Even though the UMX3 has a compact design, it can accommodate graphics cards up to 320 mm in length and, surprisingly, CPU coolers up to 163 mm in height. Well thought out and ingenious, it is compatible with 120 or 140 mm water cooling radiators. What's more, this version with fully transparent acrylic side panels offers an unobstructed view of your components.

Jonsbo UMX3

 
  • Mini Tower Case 365 x 358 x 188 mm (Volume: 24.5L)
  • Compatible with Micro ATX and Mini ITX motherboards
  • Chassis material: 2.0 mm aluminium-magnesium alloy + 1.0/1.2 mm steel plate
  • Drive bays: 1x 3.5" + 3x 2.5" or 4x 2.5"
  • Fan slots: 1x 140 mm on top, 1x 120 mm at the rear
  • Compatible with 120/140 mm AIO radiators
  • Compatible with graphics cards up to 320 mm
  • Front connectors: 2x USB 2.0, 2x USB 3.0, 1x 3.5 mm jack, 1x microphone
Specifications
Select your criteria

General information

Product name

Jonsbo UMX3 Black

Brand

Jonsbo

Model

UMX3-BK

Main characteristics

Graphic card max. length

320 mm

Max height CPU fan

163 mm

Power supply max. length

160 mm

Power format

ATX/EPS

Case format

Mini tower

Use

Media Center
Gamer
Office

Material

Steel
Acrylic
Magnesium alloy

Motherboard format

Micro ATX
Mini ITX

Power supply supplied

No

Design

Case color

Black

Front color

Black

Integrated display

No

Mesh front

No

Glass

Yes

Tempered glass

No

Fish tank (panoramic view)

No

LED RGB

No

ARGB LED

No

Water cooling compatible

Yes

Motherboard connector location

Standard connectors (on the motherboard)

Expansion slots

Number of PCI slots

4

Low profile

No

Number of invisible 3.5" slots

1

Number of 2.5" slots

3

Front connectivity

Location of expansion ports

Front

Connector(s) available

2 X USB 3.0 Type A Female
2 X USB 2.0 Type A Female
1 X Microphone (3.5mm Jack Female)
1 X 3.5mm Jack Female Stereo

Cooling

Fan(s) included

Yes

Number of rear fan(s) slots

1 X 120mm

Quantity of rear fan(s) supplied

1

Number of front fan(s) slots

None

Quantity of front fan(s) supplied

0

Number of side fan(s) slots

None

Quantity of side fan(s) supplied

0

Number of above fan(s) slots

1 X 140mm

Quantity of above fan(s) supplied

1

Number of underneath fan(s) slots

None

Quantity of underneath fan(s) supplied

0

Water cooling

AIO radiator compatibility

120mm radiator
140mm radiator

Above AIO slot(s)

1 X 140mm radiator

Rear AIO slot(s)

1 X 120mm radiator

Physical characteristics

Width

188 mm

Height

365 mm

Depth

358 mm

Weight

5.45 kg

Volume

24.5 l

Warranties

Commercial warranty

Legal warranty

Safety Information

Responsible person

Caseking GmbH

Postal address

Logistikcenter Gaußstraße 1 10589 Berlin, Allemagne (UE)

Electronic Address

info@caseking.de

Product referenced on 8 Dec 2025

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