9.0Our score 4 photosJONSBO X400 ATX PC Case, back-connect(BTF) desktop Case- Mid tower case structure: 3D Skeletal framework design,incorporating the style of e
Ranked #99 in PC Parts · 4 things we like
Quick answer The JONSBO X400 Gray ATX PC Case scores 9.0/10 with us. Amazon owners rate it 4.5 out of 5 across 41 reviews, in line with the 4.5 average of the 40 computer cases we track. It was listed at $128.90 on Amazon when we last checked in September 2026. Key facts: supported motherboard ATX, total usb 3.0 ports 2, hard disk form factor 3.5 inches.
JONSBO X400 ATX PC Case, back-connect(BTF) desktop Case- Mid tower case structure: 3D Skeletal framework design,incorporating the style of e-sports game mecha, glass for double-glazed sea-view IO with ARGB Lighting,enhance the atmosphere of E-sports Games 【Mainboard auxiliary wind cooling system(Patent design)】:You can install a 12CM fan in rear to direct airflow into the motherboard compartment. Dual-sided panel anti-fall hover design ,Tool-free open : Top cover, panel, and bottom plate are also tool-free snap-on/snap-off designs, enhancing the convenience of installation and maintenance 【BTF ATX Motherboard】Supports ATX/Micro-ATX back-connect motherboards, providing a more concise internal hardware visual environment 【GPU length: 427mm】The computer case supports vertical GPU installation for GPU lighting effects display Note: The vertical GPU installation mode requires purchasing a GPU
Do Best Deal is a participant in the Amazon Services LLC Associates Program. As an Amazon Associate we earn from qualifying purchases. If you buy through links on this site we may earn a commission, at no extra cost to you. Learn more.
| Supported Motherboard | ATX |
|---|---|
| Case Type | Mid Tower |
| Power Supply Mounting Type | Bottom Mount |
| Cooling Method | FAN |
| Total USB 3.0 Ports | 2 |
| Other Special Features of the Product | Back-connect design, Tool-free open panels, Mainboard auxiliary wind cooling system, Dual-sided panel anti-fall hover de |
| Hard Disk Form Factor | 3.5 inches |
| Internal Bays Quantity | 3 |
| Compatible Devices | ATX Motherboard, Micro-ATX Motherboard, GPU up to 427mm, ATX PS2 PSU up to 180mm, 240/280/360 AIO, Air Cooler up to 176m |
| Color | Gray |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), Metal, Tempered Glass |
| Item Dimensions D x W x H | 18.11"D x 12.2"W x 18.76"H |
|---|---|
| Brand | Jonsbo |
| Model Name | X400 |
| Model Number | X400 Gray |
| Mfr Part Number | B72000 |
| Warranty Description | 2 Year Manufacturer |
| Antenna Location | Gaming, E-sports |
| Motherboard Compatability | ATX |
| Recommended Uses For Product | Gaming, E-sports |
| Material | Acrylonitrile Butadiene Styrene (ABS), Metal, Tempered Glass |
| Product Dimensions | 18.11"D x 12.2"W x 18.76"H |
Yes, it is one of the stronger picks in its group. We score the JONSBO X400 Gray ATX PC Case 9.0 out of 10. Amazon owners rate it 4.5 out of 5 across 41 reviews, in line with the 4.5 average of the 40 computer cases we track. The review count is still small, so treat the rating as an early signal.
It was listed at $128.90 on Amazon when we last checked in September 2026. That is more than the $73.12 median for computer cases in our catalog. Amazon prices change daily, so use the price button on this page to see the current figure.
Supported Motherboard: ATX; Total USB 3.0 Ports: 2; Hard Disk Form Factor: 3.5 inches. All 22 specifications are in the product information table on this page.
Similar, well-rated computer cases in our catalog: MONTECH TG3 Panoramic ATX PC Case (9.4/10, 4.7 stars from 45 owners); Lian Li O11 Vision Compact ATX PC Case (9.0/10, 4.5 stars from 361 owners); GAMDIAS ATX Mid Tower Gaming Computer PC Case (8.8/10, 4.4 stars from 348 owners).
MONTECH TG3 Panoramic ATX PC CaseLian Li O11 Vision Compact ATX PC CaseGAMDIAS ATX Mid Tower Gaming Computer PC Case
Alternatives to the JONSBO X400 Gray ATX PC Case
9.4[Professional PC Carrying Case] External dimensions 19.7” × 9.5” × 20”, weight 5.4 lb. Built for secure transport and easy mobility, with a
9.2Full-View PC Case with Seamless Edge on Front & Side Panel.
8.2SGCC steel ATX Mid Tower
9.4Easy Build, Direct Performance: ASUS A31 provides mainstream users the great compatibility with 360mm AIO and RTX 5090/4090 in mainstream AT
9.8Lifestyle Fusion: Beige finish brings a modern aesthetic to the premium wood material, making it a perfect fit for lifestyle setups and home
8.6Quality Materials: The high-density thickened 5mm EPE inner lining, combined with the wear-resistant thickened 600D Oxford cloth outer layer
9.4Oversized Mighty40 cooling system with two 220 x 40 mm front intake fans and one 180 x 40 mm rear exhaust fan.
8.4Front-Facing STAGE LCD Display Integrated LCD screen transforms your PC into a visual showcase. Supports Extended Display Mode as a true sec
9.0Ample Interior: Explore ample interior space for Micro-ATX or Mini-ITX motherboards, ensuring easy and future expansion
9.4The following product only includes 3x Pre-Installed Fans. The other components featured are not included.
8.8Meshed Front Panel: ATX PC Case features a mesh front panel for efficient airflow and optimal cooling performance for PC components
9.2【270° Panoramic Dual Cabin Design】The FOIFKIN F300(2025) PC case adopts a sleek and modern design, consisting of a 270° panoramic tempered g
9.4Enhance the look of your gaming station with sleek wood and alloy details
8.8【Mesh Front Panel with Built-In Fans】AURA GC1 ELITE ARGB sports an airflow-focused mesh front panel equipped with 4 ARGB fans to provide sup