Jonsbo U5 – The Most Alluring ATX Computer Case With Vertical Air Duct System

A CNC Aluminium Built with Some Extra Spacing and Best Ventilation Design is What's Best For Gaming

Computer cases have evolved a lot. From the bulky, hard and conventional design we have moved to the lightweight, compact, and RGB design. Still, most of the manufacturers fail in giving us ‘That striking’ look, plenty of spacing, and numerous options we want. Even if there are some, the price seems to be soaring up the sky. However, this is where China saves the day. The well known Chinese manufacturer called ‘Jonsbo’ offers some ridiculous PC cases all over the world for a jaw-dropping price. One of its latest product is Jonsbo U5.

Jonsbo U5 primary goal is to increase the length support of graphics cards and power supply, as well as offering one of the best heat dissipation design.

Now, if you are into the large gaming RGB cases, Jonsbo U5 is something you must at least take a glimpse. Furthermore, one looking for a neat and clean motherboard configuration with no visible wiring, a sleek matte white-colored aluminum body, RGB and transparent cover, and most of all, the best heat dissipation and a backplate expansion slots, Jonsbo U5 should be your first priority.

Let’s dive into the details and know Jonsbo U5 better:

Jonsbo U5 – An ATX Metal Computer Case As Cool As Cucumber

Starting with the design and appearance, Jonsbo cases have always inherited the simple and exquisite design, and the U5 is no exception. The entire front face, the rear, as well as the upper and lower sides are made of 2mm thick aluminum-magnesium alloy panel, seamlessly. For a much premium feel, the surface is brushed and undergoes the time-consuming CNC technology also used in carving metal smartphones’ chassis. Another eye-catching aspect is the honeycomb-shaped vents at the rear. Under the hood, is a 0.8mm SGCC Steel Plate, undergoing the whole black-oxide coating process.

Jonsbo U5 Backplate
The backplate is clearly visible from one side

In addition, there is 4 mm thick blackened tempered glass on both sides, which enables us to witness the RGB effect, the internal components, and even the backplate. The front-facing vertically arranged  I/O extensions include:

  • Boot/restart button
  • 2 x USB 3.0
  • 1 x 3.5mm audio jack
  • 1 x microphone jack

Unfortunately, there’s no Type-C port.

It might appear pretty common that the Jonsbo U5 adopts the conventional  ATX structure. However, the power supply layout is what’s special. The extension cable is used, the internal expansion is sufficient. The case occupies a space of 219mm x 418mm x 440mm and weighs 7.2 kg where all that metal and backplate counts.

Jonsbo U5 rear
U5 follows a honeycomb design at the rear along with 7 slots option

As it carries the ATX structure, so ATX/MicroATX/ITX is compatible. The Mini-ITX platform can accommodate 16cm high CPU heatsink, 35cm long graphics card (7 slots) and ATX PS2 power supply (no length limitation). Furthermore, the storage expansion is located in the backplate warehouse and can expand up to 2 x 3.5 inches, 2 x 2.5-inch or 4 x 25-inch HDDs, and SDDs.

Also Read: CUBE Thinker i35 Notebook Review – Meet the $600 Xiaomi Air Killer (Coupon Inside)!

Speaking of the heat dissipation, the unique vertical air duct design has good heat dissipation performance. It can expand 2 x 12cm and 3 x 12cm fan or 240mm water cooling system at the top and bottom respectively. The rear can be extended by a 12cm exhaust fan or 120mm water cooling. This vertical air duct has good heat dissipation performance. There are also easy-to-maintain magnetic filters on the top and bottom.

Jonsbo U5 Triple Fans
The vents and triple fans layout can be seen in the chassis

In short, the focus of the case is to increase the height and to practical support bigger graphics cards, fans/cooling system improving the heat dissipation, providing numerous expansion, backplate wiring, and offering a much neat and tidy design.

Specification Sheet

Dimensions219mm (W) x 418mm (D) x 440mm (H)
MaterialBody: Build With 2.0 Aluminum Magnesium Alloy
Internal Structure :0.8mm SGCC Steel Plate + whole black-oxide coating process
Side Panels: 4.0mm tempered glass bilateral windows
Weight7.2 kg
MotherboardITX, M-ATX, ATX
Drive bayDrive bay: 2 x 3.5", 2 x 2.5"or 4 x 2.5"
Cooling systemTop: 2 x 120mm fan (optional)
Rear: 1 x 120mm fan (optional)
Bottom: 3 x 120mm fan (optional)
Liquid Cooler:
Top: 1 x 240mm (optional)
Back: 1 x 120mm (optional)
CPU CoolerNot higher than 160mm
Display CardNot longer than 350mm
Front I/OUSB3.0 × 2, Audio × 1, Mic × 1
Power SupplyStandard ATX PSII PSU
Expansion Slot7
Price499 yuan ($73)

Pros & Cons


  • Neat & Elegant CNC Aluminum Built
  • Improved Height support for Backplate wiring management
  • Improved max length support of Graphics Card and power supply
  • One of the Best Heat Dissipation Design
  • Numerous expansion options
  • Budget-friendly price


  • No USB Type-C port

Price & Availability

If you are interested, you can grab the Jonsbo U5 for a price of 499 yuan ($73). It is available in two color options to select from:

  • Silver (U5S)
  • Black (U5B)

Jonsbo U5 color options

Here’s the link to the store:



Started blogging at the age of 18, Roman is a techie with 3 years of blogging, SEO, and Wordpress experience, totally opposite of his health & nutrition career. He is a die-hard Xiaomi fan and an avid gamer, working hard to provide valuable information regarding Tech & Gadgets. You can contact him on this email: [email protected]

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