The Jonsbo U4 Mini Micro-ATX case combines elegant design with functionality. With a sleek white steel chassis and a tempered glass side panel, it offers an appealing aesthetic that showcases the hardware. The case is compatible with Mini-ITX and Micro-ATX motherboards and provides ample space for high-performance graphics cards with a maximum length of up to 420 mm. The thoughtful design allows for the installation of up to seven 120 mm fans, ensuring effective cooling of the components. The front ports include USB-C 3.1 and USB 3.0, as well as a combined audio jack, making access to essential connections easy. With compact dimensions of 222 x 385 x 440 mm, the case is ideal for users looking to house a powerful gaming or workstation setup in a small form factor.
PC case design | Mini Tower |
Number of 3.5" drive slots (internal) | 1 x |
"Number of 5.25"" drive slots" | 1 x |
Max. length graphics card | 420 mm |
Front connectors | Headphones, USB 3.2, USB Type C |
PC case features | Side windows |
Max. height CPU cooler | 165 mm |
Item number | 39937081 |
Manufacturer | Jonsbo |
Category | PC case |
Manufacturer no. | U4 MINI WHITE |
Release date | 8.11.2023 |
Colour | White |
Exact colour description | White |
Material group | Metal |
Material | Steel, Toughened glass |
PC case design | Mini Tower |
Form factor | ITX, Mini-ATX |
"Number of 5.25"" drive slots" | 1 x |
Number of 3.5" drive slots (internal) | 1 x |
"Number of 2.5""/3.5"" combination slots" | 3 x |
"Number of 2.5"" drive slots" | 1 x |
Number of expansion card slots | 4 x |
Max. length graphics card | 420 mm |
Max. height CPU cooler | 165 mm |
Max length of power supply | 200 mm |
PC case features | Side windows |
Front connectors | Headphones, USB 3.2, USB Type C |
Number of fans | 7 x |
Number of fan slots | 7 x |
Fan location | Bottom side, Top side |
Connectable fans (control) | 7 |
Radiator locations | Bottom side |
Cooling properties | Water cooling possible |
Fan mount locations | 1x 120mm |
Fan mount locations | 3x 120mm |
Fan mount locations | 3x 120mm, 3x 140mm |
Radiator mount locations | 1x max. 280/240mm |
Fans included | Optional fan |
Fan mount locations | 3x 120mm |
Radiator mount locations | partial renunciation of HDD and/or fan slots |
Country of origin | China |
CO₂-Emission | |
Climate contribution |
Scope of delivery | Computer cases, Instruction manual |
Height | 38.50 cm |
Length | 44 cm |
Width | 22.20 cm |
Weight | 6.34 kg |
Length | 52 cm |
Width | 30 cm |
Height | 48 cm |
Weight | 7.80 kg |
Product Safety |
How often does a product of this brand in the «PC case» category have a defect within the first 24 months?
Source: GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: GalaxusHow often is a product of this brand in the «PC case» category returned?
Source: GalaxusLet's now come to the conclusion of this test. Overall, the Jonsbo U4 Mini leaves us with a good impression. The mini tower is very well made, looks very elegant thanks to its many curves and should therefore look good on any desk. It also offers plenty of space for both air and water cooling components and hardware in general...
