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JONSBO X400 Gray ATX PC Case, Back-Connect Desktop Case,MB Auxiliary Air Guidance Cooling System, E-Sport Assistant,2 Sides SP 360 AIO,SP 427mm GPU, ATX<180mm,Compatibility/Heat Dissipation,Gray
Jonsbo

JONSBO X400 Gray ATX PC Case

Bottom line: The JONSBO X400 Gray ATX PC Case is an ATX case; it fits graphics cards up to 427mm long and a 360mm radiator (manufacturer spec), priced around $119.99 on Amazon as of 2026-10-06.

$119.99

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Expanded slot:7 N.W.10.2KGS
  • ✓ Backed by Jonsbo's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

SpecPicks Verdict

SpecPicks scored JONSBO X400 Gray ATX PC Case using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. Jonsbo's pc cases lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 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 conversion bracket and PCI-E extension cable separately
  • 【Cooling system】 :13 fan positions(Optional),Fan support: Top 3×120mm/2×140mm ,Back 2×120mm ,Side 3×120mm ,Rear 2×120mm ,Bottom 3×120mm 【AIO】:Top 240/280/360 AIO Side 360 AIO,【Air Cooler height】: 176mm

Full Specifications

BrandJonsbo
ColorGray
MaterialAcrylonitrile Butadiene Styrene (ABS), Metal, Tempered Glass
Case TypeMid Tower
ConnectivityUSB
Model NumberX400 Gray
CompatibilityPC
Expanded slot7 N.W.10.2KGS
Cooling MethodFAN
Mfr Part NumberB72000
Antenna LocationGaming, E-sports
Compatible DevicesATX Motherboard, Micro-ATX Motherboard, GPU up to 427mm, ATX PS2 PSU up to 180mm, 240/280/360 AIO, Air Cooler up to 176mm
Enclosure MaterialAcrylonitrile Butadiene Styrene (ABS), Metal, Tempered Glass
Total USB 3.0 Ports2
Warranty Description2 Year Manufacturer
Hard Disk Form Factor3.5 inches
Number of USB 3 Ports2
Supported MotherboardATX
Internal Bays Quantity3
【ATX PS2 PSU】 length180mm,【Drive bay】:1x2.5SSD/2x3.5HDD 【Case material】: SPCC&SECC,ABS Plastic,Tempered glass
Full listing titleJONSBO X400 Gray ATX PC Case, Back-Connect Desktop Case,MB Auxiliary Air Guidance Cooling System, E-Sport Assistant,2 Sides SP 360 AIO,SP 427mm GPU, ATX<180mm,Compatibility/Heat Dissipation,Gray

Ready to buy?

JONSBO X400 Gray ATX PC Case, Back-Connect Desktop Case,MB Auxiliary Air Guidance Cooling System, E-Sport Assistant,2 Sides SP 360 AIO,SP 427mm GPU, ATX<180mm,Compatibility/Heat Dissipation,Gray is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $119.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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