The Jonsplus BO400CG is a high-quality showcase case for enthusiasts who want to stylishly display their hardware. Featuring a curved glass panel, modular design, and plenty of space for high-end components, it combines design, flexibility, and strong cooling performance.

Curved-glass showcase impressively showcases hardware
Supports ATX, Micro-ATX, and Mini-ITX motherboards for flexible builds
Generous interior space for long GPUs and tall CPU coolers
Modular covers allow customised looks and airflow adjustments
Extensive fan and radiator options for powerful cooling

Panorama design with curved glass

The BO400CG clearly stands out from classic cases thanks to its curved glass panel. The gently curved glass surface creates a seamless panoramic look without harsh edges. This ensures your hardware is perfectly displayed from almost every angle.

High-quality materials and clever modularity

The sturdy aluminium frame not only gives the case a premium appearance but also aids heat dissipation. Tool-free removable side panels and interchangeable covers make assembly and later modifications easier. Cable management solutions ensure a clean look.

Plenty of space for high-end hardware and cooling

With support for graphics cards up to 435 mm, CPU coolers up to 173 mm, and power supplies up to 200 mm, the BO400CG is suitable for powerful systems. Up to ten 120 mm fans or multiple large radiators enable effective air or water cooling—even under heavy load.

Case Features
I/O position	Side
Side panel	with window
Vertical GPU Mount	No
Adjustable Vertical GPU Bracket	No
Front door	No
Cable Management	Yes
Filters Included	Yes
Noise dampening	No
Mainboard slide / tray	No
Remote included	No
Transport System	No
Back Connect
Back Connect	Yes
Back-Connect Compatibility	ASUS BTF, MSI Project Zero, Gigabyte Project Stealth
Radiator Support
Radiator/AIO Support (Side)	360mm Radiator
Max. Radiator Compatibility	3x Triple (360 mm)
Radiator/AIO Support (Bottom)	280mm Radiator, 360mm Radiator
Radiator/AIO Support (Top)	280mm Radiator, 360mm Radiator
Colour
Primary Colour	Gunmetal Grey
Power Supply
PSU included	No
PSU Format	ATX
Power Supply Position	rear bottom
Mounting
Case VESA Mountable	No
Internal Monitor Mount	No
Motherboard Support
Compatible Motherboard Formats	ATX, Micro-ATX, Mini-ITX
Max. Motherboard Format	ATX
Features
Housing Feedthrough	No
Case
Case Type	Mid Tower
Compliance
Compliance Documents	Jonsplus Case Compliance and Safety
Fan Support
Case Fan Support (Top)	120mm Fan (3x), 140mm Fan (2x)
Case Fan Support (Rear)	120mm Fan (1x)
Case Fan Support (Side)	120mm Fan (3x)
Case Fan Support (Bottom)	120mm Fan (3x), 140mm Fan (2x)
Max. Number of Fans	10
120 mm fans	10
140 mm fans	4
Display
Display Included	No
Dimensions
Length / Depth	474 mm
Width	311 mm
Height	489 mm
Weight	12.9 kg
Materials
Materials	Steel, Tempered Glass
Drive Bays
Max. 2.5 Inch Drives	2
Max. 3.5 Inch Drives	4
Max. 5.25 Inch Drives	0
Hot swap drive bays	No
Lighting
Lighting / RGB	No
Fan Header
Fan Controller / Fan Hub	No
Additional Contents
Fans Included	No
Included fans	None
Internal Dimensions
Max. CPU Cooler Height	173 mm
Max. GPU Length	435 mm
Max. PSU Length / Depth	200 mm
Expansion Slots
Expansion slots / PCI slots	8
External Ports
Front I/O – USB Type C Ports Total	1
Front I/O – USB Type A Ports Total	2
USB 3.2 (external) Type C	1
USB 3.0 (external) Type A	2
Audio outputs & inputs	1x output / input comb. (3.5 mm jack, 4-pin, TRRS)
Card reader	No
Cable Specifications
Riser Cable Included	No

Jonsplus BO400CG Curved Glass Aluminium Dual Chamber ATX Case

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