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White mid-tower PC case with mesh side panel and front USB-C port

Rosewill

Rosewill Helium Air White Mid Tower PC Case

SKU CH-E9WF-ZYHXB

White ATX mid-tower with three mesh panels, a pre-installed 140 mm PWM fan, USB 3.1 Type-C front port and 34 mm cable-routing space

  • TypeATX Mid Tower
  • ColorWhite
  • Case MaterialSteel / Plastic
  • With Power SupplyNo
  • Power Supply MountedBottom
  • Motherboard CompatibilityATX / E-ATX / ITX / Micro ATX

Option Helium Air White

  • Maximum airflow from three full-mesh panels
  • Clean interior with 34 mm cable-routing space behind motherboard tray
  • Ready-to-cool with pre-installed 140 mm PWM fan
  • Tool-free panels for quick component access
  • Front USB 3.1 Type-C plus two USB 3.0 and audio jack

Rosewill Helium Air White Mid Tower Case

The Rosewill Helium Air White is an ATX mid-tower chassis built for high-airflow builds. Three full-mesh panels and a pre-installed 140mm PWM fan move large volumes of air through the interior. A 34mm cable-routing channel behind the motherboard tray keeps wiring tidy. Tool-free panels simplify assembly and upgrades.

Builders who want mesh airflow and E-ATX support

This case suits builders planning air-cooled or liquid-cooled systems with long graphics cards and tall CPU coolers. The front panel provides a USB 3.1 Type-C port, two USB 3.0 ports and a combo audio jack for modern peripherals. Buyers who need more than three 3.5in drive bays or a built-in power supply should look elsewhere.

Capacity and headroom for storage and cooling

Three internal 3.5in bays and four 2.5in bays handle a practical mix of hard drives and SSDs. Seven expansion slots accommodate full-length cards up to 390mm. CPU coolers up to 183mm and power supplies up to 220mm fit comfortably. Radiator support reaches 360mm in the front and top, with a 280mm option on top and 120mm at the rear.

Highlights

  • Maximum airflow from three full-mesh panels
  • Clean interior with 34 mm cable-routing space behind motherboard tray
  • Ready-to-cool with pre-installed 140 mm PWM fan
  • Tool-free panels for quick component access
  • Front USB 3.1 Type-C plus two USB 3.0 and audio jack

Specifications

BrandRosewill
ModelHelium Air White
TypeATX Mid Tower
ColorWhite
Case MaterialSteel / Plastic
With Power SupplyNo
Power Supply MountedBottom
Motherboard CompatibilityATX / E-ATX / ITX / Micro ATX
Side PanelMesh
Dust FiltersYes
Internal 3.5" Drive Bays3
Internal 2.5" Drive Bays4
Expansion Slots7
Front Ports1 x USB 3.1 Type-C / 2 x USB 3.0 / Audio
Fan OptionsFront: 3 x 120mm, 3 x 140mm, 2 x 160mm
Top: 3 x 120mm, 2 x 140mm
Rear: 1x 120mm, 1 x 140mm
Pre-installed FansRear - 1 x 140mm
Radiator OptionsFront: 360mm / 240mm
Top: 360mm / 280mm / 240mm
Rear: 120mm
Max GPU Length390 mm
Max CPU Cooler Height183 mm
Max PSU Length220 mm
FeaturesHigh-Airflow with All Mesh Panels: Three mesh panels provide massive airflow to your system, ensuring maximum cooling performance.
Cable Management System: A roomy 34mm of space behind the motherboard allows for quick and easy routing of all your major cables, keeping your build clean and organized.
Included 140mm PWM Fan: Comes with one pre-installed 140mm PWM fan for efficient cooling.
Extreme Cooling Potential: The spacious interior supports up to 7x 120mm or 6x 140mm cooling fans, and can accommodate multiple radiators, including 360mm radiator in both the front and top.
Modern F
Shipping weight11.79 kg
Package size584 × 533 × 305 mm

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Questions about this item

What motherboard form factors does the Helium Air White support?

The case fits ATX, E-ATX, Micro-ATX and ITX boards, so any standard desktop motherboard you already own will mount without an adapter.

Will a 360 mm radiator fit in the front if I keep my current 390 mm graphics card?

Yes, the front accepts a 360 mm radiator and the GPU clearance is 390 mm, leaving room for both a thick radiator and a full-length card.

How can I verify the pre-installed 140 mm PWM fan is spinning correctly after I build?

Connect the fan to a motherboard PWM header, then check the RPM reading in BIOS or fan-control software; it should report a speed that changes with the PWM curve.

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