Delivery to the United States: $89.80 DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today
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New, sealed and genuine Full manufacturer warranty
30-day returns Unused items in original packaging
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Overview
The Jonsplus BO400CG is a gunmetal gray mid-tower case with a curved tempered glass panel, aluminum frame, and modular covers. It fits ATX, micro-ATX, and Mini-ITX motherboards for high-end air or liquid cooling builds.
Design and Materials
A gently curved tempered glass side panel creates a seamless panoramic view of internal components. The sturdy aluminum frame adds rigidity and assists with heat dissipation. Tool-free removable panels and interchangeable covers simplify assembly and later modifications.
Component Compatibility
The interior accommodates graphics cards up to 435 mm long, CPU coolers up to 173 mm tall, and ATX power supplies up to 200 mm deep. Two 2.5-inch and four 3.5-inch drive bays provide storage flexibility. Eight expansion slots support full-size add-in cards.
Cooling Capability
Fan mounts include three 120 mm or two 140 mm at the top and bottom, three 120 mm on the side, and one 120 mm at the rear for a maximum of ten 120 mm fans. Radiator support extends to triple 360 mm units at the top, bottom, and side positions.
Connectivity and Extras
Front I/O is positioned on the side and provides one USB 3.2 Type-C port, two USB 3.0 Type-A ports, and a combined 3.5 mm audio jack. Dust filters are included. The case supports back-connect motherboards from ASUS, Gigabyte, and MSI.
1x output / input comb. (3.5 mm jack, 4-pin, TRRS)
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
Expansion Slots
Expansion slots / PCI slots
8
Features
Housing Feedthrough
No
Connectivity
Card reader
No
Fan Header
Fan Controller / Fan Hub
No
Mounting
Case VESA Mountable
No
Internal Monitor Mount
No
Display
Display Included
No
Back Connect
Back Connect
Yes
Back-Connect Compatibility
ASUS BTF, Gigabyte Project Stealth, MSI Project Zero
Lighting
Lighting / RGB
No
Color
Primary Color
Gray
Materials
Materials
Steel, Tempered Glass
Dimensions
Length / Depth
474 mm
Width
311 mm
Height
489 mm
Weight
12.9 kg
Additional Contents
Fans Included
No
Included fans
None
Specifications come from the manufacturer and can change without notice. Check the box contents and compatibility before ordering; our team answers questions within one business day.
Shipping & returns
Delivery to the United States: $89.80DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today
Ships from our warehouse in Germany: in stock, it leaves within 1–2 business days, tracked to the door.
To
Business days
This item
GermanyDHL Paket
1–2
Free
Other EU countriesDHL Parcel International
2–8
$11.90–$15.90
UK, Switzerland and NorwayDHL Parcel International
3–7
$39.80
United States and CanadaDHL Express Worldwide
2–5
$89.80
Asia and the Middle EastDHL Express Worldwide
2–5
$119.80
Australia and New ZealandDHL Express Worldwide
3–6
$139.80
Discreet packaging Plain, unbranded box — no crypto or brand references outside
Returns 30 days for unused items in original packaging; faulty items are on us