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Black ATX mid-tower case with mesh side panels and four 140mm fans visible

Rosewill

Rosewill Helium NAS ATX Mid Tower PC Case

SKU CH-BTBW-G7GP0

ATX mid-tower case with mesh panels, four 140 mm PWM fans and room for 10 x 3.5" plus 3 x 2.5" drives

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

Model Helium NAS

  • All-mesh side panels give unrestricted airflow for stable component temperatures
  • Four pre-installed 140mm PWM fans provide quiet, efficient cooling under heavy workloads
  • Ten 3.5" and three 2.5" drive bays support massive storage for home servers
  • ATX motherboard support plus front and top 360mm radiator mounts enable high-performance builds
  • 26mm cable routing space behind the motherboard simplifies clean assembly

Purpose-built NAS chassis

The Rosewill Helium NAS is an ATX mid-tower case designed for DIY network-attached storage, media servers or small-business file servers. Its steel-and-plastic frame supports ATX, Micro-ATX and ITX motherboards with the power supply mounted at the bottom. Four 140 mm PWM fans come pre-installed behind full-mesh side panels to move air across dense drive arrays.

Storage-first builders vs. compact systems

This case suits builders who need up to 10 x 3.5-inch and 3 x 2.5-inch drive bays in a single enclosure. Users planning a compact living-room PC or a minimalist workstation should look elsewhere, as the 19.1 x 9.05 x 18.67 inch footprint prioritises capacity over desk appeal.

Drive capacity and cooling headroom

Thirteen internal bays handle large media libraries, backups or virtual-machine images with room to grow. Front and top mounts accept 360 mm, 280 mm or 240 mm radiators, while the rear takes a 120 mm unit. Graphics cards up to 280 mm and CPU coolers up to 180 mm fit comfortably; longer GPUs or taller coolers will not clear the internal layout.

Highlights

  • All-mesh side panels give unrestricted airflow for stable component temperatures
  • Four pre-installed 140mm PWM fans provide quiet, efficient cooling under heavy workloads
  • Ten 3.5" and three 2.5" drive bays support massive storage for home servers
  • ATX motherboard support plus front and top 360mm radiator mounts enable high-performance builds
  • 26mm cable routing space behind the motherboard simplifies clean assembly

Specifications

BrandRosewill
ModelHelium NAS
TypeATX Mid Tower
ColorBlack
Case MaterialSteel / Plastic
With Power SupplyNo
Power Supply MountedBottom
Motherboard CompatibilityATX / ITX / Micro ATX
Side PanelMesh
Dust FiltersYes
Internal 3.5" Drive Bays10
Internal 2.5" Drive Bays3
Expansion Slots7
Front Ports1 x USB 3.1 Type-C / 2 x USB 3.0 / Audio
Fan OptionsFront: 3 x 120mm, 3 x 140mm
Top: 3 x 120mm, 2 x 140mm
Rear: 1 x 120mm, 1 x 140mm
Pre-installed FansFront - 3 x 140mm / Rear - 1 x 140mm
Radiator OptionsFront: 360mm / 280mm / 240mm
Top: 360mm / 280mm / 240mm
Rear: 120mm
Max GPU Length280 mm
Max CPU Cooler Height180 mm
Max PSU Length200 mm
Dimensions19.1 x 9.05 x 18.67 inches
Weight18 lbs
FeaturesHigh-Airflow with All Mesh Panels: Three mesh panels provide massive airflow to your system, ensuring maximum cooling performance.
Cable Management System: A roomy 26mm of space behind the motherboard allows for quick and easy routing of all your major cables, keeping your build clean and organized.
Included 4x 140mm PWM Fan
Expansive Storage for Your Home Server: Designed to support thirteen hard drives, offering plenty of storage for all your gaming and data needs
Modern Front Panel I/O: Features a USB 3.1 Type-C port, USB 3.0 port
Shipping weight8.17 kg
Package size565 × 533 × 279 mm

Other versions of this model

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Questions about this item

Will a full-size ATX board fit with a 280 mm graphics card and a 180 mm CPU cooler installed?

Yes, the case supports ATX motherboards and allows up to 280 mm GPU length and 180 mm cooler height.

How many 3.5-inch hard drives can I mount internally without extra brackets?

The chassis provides ten dedicated 3.5-inch drive bays for direct installation.

Are the front-panel USB 3.1 Type-C and USB 3.0 ports connected to the motherboard via standard internal headers?

The front I/O includes one USB 3.1 Type-C and two USB 3.0 ports designed for standard motherboard headers.

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