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Purple open-frame ATX mid-tower with tempered glass side panel and aluminium-magnesium alloy frame

Corn Electronics

Corn Electronics MOD3 ATX Mid Tower PC Case Purple

SKU CH-7BNM-HWMPK

Open-frame ATX mid-tower with aluminium-magnesium structure, 4 mm tempered glass side panel, 49 mm rear cable space, front 5V ARGB lighting, supports E-ATX boards, 400 mm GPU, 360 mm top radiator.

  • Max graphics card length400 mm
  • Supported motherboard sizesMicro ATX / ATX / E-ATX
  • 3.5-inch internal bays1
  • 2.5-inch internal bays2
  • Expansion card slots7
  • Fan mounting optionsFront - 3 × 120 mm / Top - 2 × 120 mm / Top - 3 × 120 mm

Color Blue

  • Open design showcases components while supporting high-end hardware
  • 49 mm cable routing space keeps the rear chamber tidy
  • All-metal frame built from 2.5 mm and 2.0 mm aluminium-magnesium alloy
  • Tempered glass side panel at 4.0 mm thickness protects the build
  • Top radiator support up to 360 mm handles demanding liquid cooling

Mecha-themed ATX mid-tower for esports builds

The Corn Electronics MOD3 is an open-design ATX mid-tower finished in purple aluminium-magnesium alloy with a 4.0mm tempered-glass side panel. It targets enthusiasts who want their high-end hardware on display while supporting custom liquid-cooling loops. The chassis fits Micro-ATX, ATX and E-ATX motherboards and includes a 5V ARGB mecha lighting strip on the front panel.

Verify motherboard size.

Confirm your board is no larger than E-ATX and that your graphics card does not exceed 400mm. The power-supply bay accepts units up to 195mm long, so measure your PSU against that limit. CPU coolers must stay within 170mm of height. Radiator support tops out at 360mm on the roof, and the case ships without a power supply.

All-metal frame with 49mm rear cable channel

The structure uses 2.5mm and 2.0mm aluminium-magnesium alloy panels for rigidity, while the 4.0mm glass side panel gives a clear view of the interior. A 49mm deep cable-management space behind the motherboard tray keeps routing tidy. Dust filters are fitted, and drive mounts provide one 3.5-inch bay plus two 2.5-inch bays. Seven expansion slots accommodate full-length cards.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $471.99
Pricier than about 88% of the 1,468 comparable items (median $100.99).
Max graphics card length 400 mm
Typical for this category: the median of 894 items is 400 mm.

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Specifications

Product
Brand nameJonsbo
Product lineMOD3
Product typeATX Mid Tower
Product colorPurple
Storage
3.5-inch internal bays1
2.5-inch internal bays2
Ports & slots
Expansion card slots7
Power
Power supply includedNo
Size & build
Max graphics card length400 mm
Dust filteringYes
Fan mounting optionsFront - 3 × 120 mm / Top - 2 × 120 mm / Top - 3 × 120 mm
Compatibility
Supported motherboard sizesMicro ATX / ATX / E-ATX
Radiator supportTop - Up to 360 mm
CPU cooler height limit170 mm
PSU length limit195 mm

Other versions of this model

3 more in the same range

Questions about this item

Does the Corn Electronics MOD3 case include a power supply and what else must I buy separately?

No power supply is included. You must provide an ATX PSU up to 195 mm long, a motherboard (Micro ATX, ATX or E-ATX), a CPU cooler no taller than 170 mm, and a graphics card up to 400 mm. The case supplies one 3.5" bay, two 2.5" bays, dust filters, 49 mm rear cable routing space, and a 4.0 mm tempered glass side panel.

Which radiator size should I choose for the top mount — 240 mm or 360 mm?

The top supports up to 360 mm. Choose 360 mm if your motherboard and RAM clearance allow three 120 mm fans; otherwise a 240 mm radiator with two 120 mm fans fits more builds while still delivering strong cooling.

What does the 400 mm maximum GPU length mean for my graphics card choice?

Any card measuring 400 mm or less will fit. Measure your card including the power connector; if it exceeds 400 mm it will not install in this chassis.

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