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White full-tower E-ATX case with dual tempered glass panels and three front 140 mm fans

Corn Electronics

Corn Electronics GR701 E-ATX Full Tower PC Case 420 mm Radiator Support White

SKU CH-T20W-NE1V1

Full-tower E-ATX case with front, top and rear 420 mm radiator support, four pre-installed 140 mm PWM fans, a metal GPU holder, dual tempered-glass panels.

  • TypeATX Full Tower

Options Perfect World

Struck-through versions exist but are not stocked here.

  • E-ATX motherboard support up to 12 by 10.9 inches
  • Dual 420 mm radiator mounts on front and top panels
  • Four pre-installed 140 mm PWM fans for immediate airflow
  • Metal GPU holder prevents sag on cards up to 460 mm
  • Front USB 4.0 Type C and USB 3.2 Gen2 Type C for fast peripherals

Full-tower case for E-ATX builds

The Corn Electronics GR701 accepts E-ATX, ATX, Micro-ATX and Mini-ITX motherboards in a 268 by 639 by 659 mm chassis. Four 140 mm PWM fans are pre-installed at the front and rear, and an ARGB fan hub is included for lighting control. A metal GPU holder supports cards up to 460 mm, while 34 mm of cable-management space keeps routing tidy. The case weighs 20.8 kg and ships new with dual tempered-glass panels.

Front I/O and charging upgrade daily workflow

The top panel provides a headphone jack, four USB 3.2 Gen 1 ports, one USB 3.2 Gen 2 Type-C port and either a USB 4.0 or USB 3.2 Gen 2x2 Type-C port depending on region. A 60 W fast-charging port powers phones or tablets directly from the case. LED and reset buttons sit alongside the ports for quick access. No additional software bundle is mentioned in the specifications.

Dual 420 mm radiator support defines thermal ceiling

Front and top mounts each accept radiators up to 420 mm, while the rear takes 120 mm or 140 mm units. This allows high-capacity liquid cooling for demanding CPUs and GPUs, though CPU cooler height is limited to 190 mm. Five 2.5-inch bays and two combo 2.5/3.5-inch bays provide storage headroom, but the power-supply bay stops at 240 mm, restricting some longer units. Builders needing more than nine expansion slots or a second vertical GPU mount will hit the limit.

Highlights

  • E-ATX motherboard support up to 12 by 10.9 inches
  • Dual 420 mm radiator mounts on front and top panels
  • Four pre-installed 140 mm PWM fans for immediate airflow
  • Metal GPU holder prevents sag on cards up to 460 mm
  • Front USB 4.0 Type C and USB 3.2 Gen2 Type C for fast peripherals

Specifications

Modelinternational version
TypeATX Full Tower

Other versions of this model

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Questions about this item

How often do the front-panel USB 3.2 Gen 1 and USB 3.2 Gen 2 Type-C ports need cleaning or replacement?

The front I/O ports are built into the chassis and have no scheduled maintenance; keep the surrounding dust filters clean to prevent debris from entering the connectors.

Which cooling limit appears first when the case runs at full load for hours — radiator capacity or fan airflow?

With dual 420 mm radiator mounts and four pre-installed 140 mm PWM fans, the radiator surface area is the limiting factor before fan airflow becomes a bottleneck.

How loud and hot does the GR701 get when all four 140 mm PWM fans run continuously at maximum speed?

Four 140 mm PWM fans at full speed move substantial air through dual 420 mm radiator mounts; noise and heat output depend on the fan curve and cooling load you configure.

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