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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

  • Max graphics card length390 mm
  • Housing materialSteel / Plastic
  • Power supply mountingBottom
  • Supported motherboard sizesATX / E-ATX / ITX / Micro ATX
  • Side panel typeMesh
  • 3.5-inch internal bays3

Model 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.

How it compares

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

Price $56.99
Cheaper than about 84% of the 1,468 comparable items (median $100.99).
Max graphics card length 390 mm
Lower than about 57% of the 894 comparable items (median 400 mm).

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Specifications

Product
Brand nameRosewill
Model nameHelium Air White
Product typeATX Mid Tower
Product colorWhite
Storage
3.5-inch internal bays3
2.5-inch internal bays4
Ports & slots
Expansion card slots7
Front panel ports1 x USB 3.1 Type-C / 2 x USB 3.0 / Audio
Power
Power supply includedNo
Size & build
Max graphics card length390 mm
Housing materialSteel / Plastic
Power supply mountingBottom
Side panel typeMesh
Dust filteringYes
Fan mounting optionsFront: 3 × 120 mm, 3 × 140 mm, 2 × 160 mm
Top: 3 × 120 mm, 2 × 140 mm
Rear: 1x 120 mm, 1 × 140 mm
Shipping weight11.79 kg
Package size584 × 533 × 305 mm
Compatibility
Supported motherboard sizesATX / E-ATX / ITX / Micro ATX
Radiator supportFront: 360 mm / 240 mm
Top: 360 mm / 280 mm / 240 mm
Rear: 120 mm
CPU cooler height limit183 mm
PSU length limit220 mm
More details
Included fansRear - 1 × 140 mm

Other versions of this model

4 more in the same range

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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