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Release Date: 3/10/2026.
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Sold by Direct from manufacturerJONSBO
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JONSBO X400 PRO ATX Case, Back-connect Desktop Case,Al Framework, IO with ARGB Lighting,MB Auxiliary Air Guidance Cooling System, E-sport Assistant,2 Sides SP AIO,SP 427mm GPU,High Compatibility,Gray

  • JONSBO X400PRO ATX Case,Back-connect Desktop Case-
  • Mid tower case structure:AL framework design,incorporating the style of e-sports game mecha,glass for double-glazed sea-view
  • CNC Aluminum front panel
  • 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
  • Supports ATX/M-ATX back-connect motherboards, providing a more concise internal hardware visual environment
  • The computer case supports vertical GPU installation for GPU lighting effects display
  • Note: The vertical GPU installation mode requires purchasing a GPU conversion bracket and PCI-E extension cable separately
  • Cooling system :13 fan positions
  • 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
  • Product Parameters
  • Model No.:X400PRO
  • Case material: AL&SPCC&SECC,ABS Plastic,Tempered glass
  • Case size (foot included):460.7×310.9x476.8mm
  • MB SP:Mini-ITX/Micro-ATX/ATX,compatible back-connect MB
  • Expanded slot:7
  • Air Cooler height: 176mm
  • GPU length: 427mm
  • ATXPS2 PSU length:180mm
  • Drive bay:1x2.5SSD/2x3.5HDD
  • Fan SP: Top 3×120mm/2×140mm Optional
  • Back 2×120mm Optional
  • Side 3×120mm Optional
  • Rear 2×120mm Optional
  • Bottom 3×120mm Optional
  • AIO:Top 240/280/360 AIO Side 360 AIO
  • Front I/O:USB 3.2 Gen 1 Type-A: 2/ USB 3.2 Gen 2 Type-C x1,TRRSx1
  • N.W.12.2KGS
🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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Learn more about the JONSBO X400PRO GRAY

Front Panel Ports
Front Ports USB3.2 Gen1 Type-A*2 / USB3.2 Gen 2 Type-C*1 / AUDIO*1 & MIC*1
Model
Brand Jonsbo
Series X400 series
Model X400PRO GRAY
Details
Color Gray
Case Material ABS / SPCC / Tempered Glass
Type ATX / Micro ATX Mid Tower
Expansion
Internal 3.5" Drive Bays 2
Internal 2.5" Drive Bays 1
Expansion Slots 7
Details
Dust Filters Yes
Cooling System
Fan Options Top:3×120mm/2×140mm (Optional)
Back:2×120mm (Optional)
Side:3×120mm (Optional)
Rear:2×120mm (Optional)
Bottom:3×120mm (Optional)
Radiator Options Top - Up to 360mm, Side-UP to 360mm
Dimensions & Weight
Max GPU Length 427 mm
Max CPU Cooler Height 176 mm
Max PSU Length 180 mm
Dimensions 460.2mm * 310.3mm* 476.5mm/18.12"x12.24"x18.77"
Weight 12.2KG/26.9LB
Additional Information
First Listed on Newegg February 04, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • This item is covered by JONSBO Return Policy

Manufacturer Contact Info

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