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Rosewill Helium NAS Duo | ATX Mid Tower Computer Case | Mesh Panel | 4 x 140mm PWM Fan | Support 8 x 3.5" HDD | ATX, Micro ATX, Mini-ITX Motherboard Compatible | 360mm AIO Supported | USB 3.2 Type-C | Ideal for DIY NAS, media servers

Model: Helium NAS DUO

ATX MID TOWER DESIGN: Spacious mid tower layout accommodates ATX motherboards and supports BTF motherboard compatibility.
MASSIVE STORAGE CAPACITY: Supports up to 8 x 3.5" HDDs, making it ideal for DIY NAS builds, media servers, or small business use.
SUPERIOR AIRFLOW: Mesh panel front and 4 x 140mm PWM fans provide excellent cooling performance and airflow throughout the case.
MODERN CONNECTIVITY: Features a USB 3.2 Type-C front panel port for fast and convenient device connections.
SLEEK BLACK FINISH: Clean, all-black exterior design offers a professional look suitable for home, office, or server environments.
Supports 360 mm Radiator: With the ability to support a 360 mm radiator, this case can efficiently dissipate heat, keeping your system cool and quiet.
Max GPU Length: 390mm / CPU Cooler Height: 180mm

Overview

Specs

Reviews

Model
Brand	Rosewill
Model	Helium Nas Duo

Front Panel Ports
Front Ports	1 x USB 3.2 Type C / 1 x USB 3.0 / Audio

Cooling System
Fan Options	Front - 3 x 120mm / Front - 3 x 140mm / Rear - 1 x 120mm / Rear - 1 x 140mm / Top - 2 x 140mm / Top - 3 x 120mm
Pre-installed Fans	Front: 3 x 140mm PWM Fans Included Rear: 1 x 140mm Included
Radiator Options	Rear - Up to 120mm / Top - Up to 360mm

Additional Information
First Listed on Newegg	July 30, 2026

Warranty & Returns