top of page

Jonsbo A4 is a premium tower-style SFF PC case launched in 2019. At 15.6L volume, it uses quality materials, and features great front IO and wide hardware compatibility: big GPU, tall CPU cooler, 240mm AIO radiator and SFX/SFX-L PSU. Now in version 1.1, it is a great option of compact PC case


Lead time: up to 1 week


Product warranty: 180 days





Improvements from v1.0 to v1.1:  Front IO (USB-C added), enhanced quality control, better accessories, increased warranty, and other small fixes



High quality: 1.5-3mm powder coated aluminum, 3mm tempered glass, made by Jonsbo

Small/Compact: Only 15.6L volume, tower-style, fits in most travel bags

Powerful: Supports the best available SFF hardware, low noise, great airflow

Flexible/Innovative: 3 colors to choose, many different hardware options

Widely tested: Thousands of units shipped worldwide, launched in 2019, multiple reviews available online

And more...



Version: 1.1

Dimension: 340mm(L) * 169mm(W) * 273mm(H)

Material: Top plate 3mm aluminum magnesium alloy

Front/back/bottom plate 2mm aluminum magnesium alloy

Hardware 1.5mm all black steel plate

Side plate 3mm all tempered glass

Motherboard: Mini ITX

Drive Bay: 2* 2.5” + 1* 3.5”

System Fan: Top: 2* 120mm (optional), Bottom: 2* 120mm (optional)

Max. CPU Cooler Height: 71mm

Radiator Support: Top 240x30mm

Max. Display Card Length: 325mm

Front I/O Port: 1* POWER, 1* USB3.1 Gen2 Type-C, 1* USB3.1 Gen1 Type-A

PCI Expansion Slot: 2

PSU Support: SFX/SFX-L

Colors: Black, Grey, Silver


Weight: ~5500g (12.1lb)


What's included: Chassis, ADT PCIe cable, internal power cable extender, front IO, screws, standoffs, case feet


If you need a good CPU cooler for this case, check our Cryorig C7 Plus

You can also find other cool SFF PC products at our Shop

Jonsbo A4 v1.1

Case color
  • ♦ All payments are processed by Paypal

    180-day buyer protection (registration required)

    ♦ Pay with Paypal balance or Credit card

    Visa, Mastercard, Discover, American Express, +

    These may vary depending on Paypal location

    ♦ Order updates are sent to your Paypal email

UPDATE March 1st, 2023:

New orders are shipped in up to 72 hours. Pending orders will be fulfilled soon, we apologize. For questions, email us at

bottom of page