PC Case Jonsbo U4 Mini

Name: PC Case Jonsbo U4 Mini U4 MINI BLACK
Brand: Jonsbo
SKU: 10712422
Price: 79.99 EUR
Availability: InStock

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PC Case Jonsbo U4 Mini Mini Tower Black

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Short description

The Jonsbo U4 Mini is a compact Mini Tower PC case in black, designed for efficient airflow and easy assembly. It supports ATX power supplies and accommodates various fan sizes (120mm and 140mm) for optimal cooling. The case can house 3.5" HDDs and 2.5" SSDs, making it versatile for storage needs. With dimensions of 222mm width, 440mm depth, and 385mm height, it fits well in limited spaces while providing ample room for components.

Available at price 79.99 €: 22 pcs.

Total available for order: 69 pcs.

Warranty: 2 Years

SKU: 10712422

Manufacturer: Jonsbo

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Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

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2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 € (Weight: 1.00 kg)

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36 months installment: from 2.22 euros per month

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Product information

Description

The Jonsbo U4 Mini Mini Tower in black is a compact PC case designed for small-form-factor builds that require efficient airflow and straightforward assembly. Constructed from steel with a tempered glass side window, the chassis supports Mini-ATX and ITX motherboards and accepts a standard ATX power supply. With internal space arranged to accommodate one 3.5" drive and one 2.5" drive, and compatibility with common 120mm and 140mm fan sizes, the case balances storage versatility and cooling potential within dimensions of 222mm (W) × 440mm (D) × 385mm (H).

Advantages

The case offers a compact footprint suitable for desks and small setups while maintaining support for full-length ATX power supplies. Tempered glass on the side panel allows component visibility without compromising rigidity from the steel construction. Inclusion of front I/O with a USB 3.2 Gen 1 Type-A port provides a modern connectivity option. Support for multiple fan layouts (120mm and 140mm) enables adaptable cooling configurations to match different component and airflow requirements.

Suitable for

Compact desktop or home office builds where space is limited
Mini-ATX and ITX gaming or productivity systems
Systems requiring at least one 3.5" HDD and one 2.5" SSD
Builds prioritizing visible components via a tempered glass side window

Key specifications

Form factor: Mini Tower
Supported motherboards: Mini-ATX, ITX
Power supply: supports ATX power supplies
Drive bays: 1 × 3.5" bay, 1 × 2.5" bay
Fan support: compatible with 120mm and 140mm fans
Materials: steel chassis with tempered glass side panel
Front I/O: 1 × USB 3.2 Gen 1 (Type-A)
Colour: black
External dimensions (W×D×H): 222mm × 440mm × 385mm

How to use

Install a compatible Mini-ATX or ITX motherboard onto the standoffs inside the chassis, then mount an ATX power supply in the designated compartment. Fit storage devices into the single 3.5" and single 2.5" bays using the provided mounting points. Configure cooling by installing 120mm or 140mm fans in supported locations and route cables to the rear or along the chassis edges to maintain airflow. Connect the case front I/O USB 3.2 Gen 1 Type-A to the motherboard header for front-panel connectivity.

Usage recommendations

For improved cooling performance, use a balanced configuration of intake and exhaust fans (for example, one front intake and one rear exhaust) and keep cable routing tidy to avoid obstructing airflow. When installing a high-profile CPU cooler or long GPU, verify component clearance against the case's internal layout before final assembly.

Specifications

Type:: PC
Form factor:: Mini Tower
Number of 3.5" bays:: 1
Number of 2.5" bays:: 1
Side window:: Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:: 1
Supported motherboard form factors:: Mini-ATX, ITX
Material:: Steel, Tempered glass
Product colour:: Black

All features

Design

Type:: PC
Form factor:: Mini Tower
Supported motherboard form factors:: Mini-ATX, ITX
Number of 3.5" bays:: 1
Number of 2.5" bays:: 1
Side window:: Yes
Material:: Steel, Tempered glass
Product colour:: Black
Suitable for:: Gaming
Maximum CPU cooler height:: 165 mm
Maximum graphics card length:: 420 mm
Maximum PSU length:: 200 mm
Cable management:: Yes
On/off button:: Yes
Tempered glass panel(s):: Yes

Power supply

Number of power supply units:: 1
Power supply location:: Rear
Supported power supply form factors:: ATX

Ports & interfaces

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:: 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:: 1
Audio input:: Yes
Audio output:: Yes
USB Type-C ports quantity:: 1

Cooling

Rear fans diameters supported:: 120
Top fans diameters supported:: 120, 140
Bottom fans diameters supported:: 120
Number of rear fans supported (max):: 1
Number of top fans supported (max):: 3
Number of bottom fans supported (max):: 1
Liquid cooling capability:: Yes

Storage

Supported HDD sizes:: 3.5
SSD form factor:: 2.5"

Weight & dimensions

Material thickness:: 1.2 mm
Height:: 385 mm
Width:: 222 mm
Depth:: 440 mm

Packaging content

Manual:: Yes

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Instructions

jonsbo-U4 MINI BLACK-10712422.pdf

Description

Instructions

jonsbo-U4 MINI BLACK-10712422.pdf

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Warehouse	Stock	Delivery to the store	Store Price
WH320	22	29.06.2026	79.99 € Best price
EU57	3	26.06.2026 Best delivery	83.99 €
WH354	22	06.07.2026	87.99 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH109	22	13.07.2026	85.99 €

79.99 €

Stock: 22

Delivery Date: 29.06.2026

Warehouse: WH320

83.99 €

Stock: 3

Delivery Date: 26.06.2026 Best delivery

Warehouse: EU57

87.99 €

Stock: 22

Delivery Date: 06.07.2026

Warehouse: WH354

Available only for legal entities

85.99 €

Stock: 22

Delivery Date: 13.07.2026

Warehouse: WH109

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Customer questions

FAQ

How much does the PC Case Jonsbo U4 Mini cost, and is it available for purchase?

The price is 79.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 69 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 29.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can PC Case Jonsbo U4 Mini be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the PC Case Jonsbo U4 Mini online, and the application process is as simple as possible:

Select the product on the website and add it to your cart;
When placing your order, choose the payment method “Installments”;
Fill in the required details for the lending partner;
Receive a decision within a few minutes.

For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Jonsbo products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Jonsbo service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: type, form factor, number of 3.5" bays, number of 2.5" bays, side window, usb 3.2 gen 1 (3.1 gen 1) type-a ports quantity, supported motherboard form factors, material, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for PC Case Jonsbo U4 Mini?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

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