ROG Strix Helios II is a premium mid-range gaming case with double tempered glass side panels, refined aluminum frame and diamond grid front panel with 3D structured front filter. It comes pre-installed with four 140 x 28mm power fans that provide optimized airflow and enhanced thermal performance for demanding gamer setups. Designed for expandability and performance, it is compatible with ITX to EATX motherboards and serious water-cooled systems - making it the perfect choice for assembling a classic ROG display case.

Premium design and aesthetics
ROG Strix Helios II features dual 4mm thick tempered glass side panels built into a sophisticated brushed aluminum frame. The aluminum front plate with diamond grid is made with high-precision CNC milling technology and anodizing process. The diagonal cuts on the front panel are inspired by the elegance and individuality of racing cars, making the Helios II unique. With rounded edges, a streamlined shape and hidden seams, this house is more elegant than ever.

Four pre-installed power fans
Helios II is designed to balance performance and acoustics: Four pre-installed 140 mm fans with a 28 mm frame provide strong airflow while maintaining a low noise level of 29 dB(A).

It's ready for high-performance builds with dual AIO support
ROG Strix Helios II is built for performance and expandable, with plenty of space for GeForce RTX™ 5090 graphics cards or state-of-the-art water-cooled systems. It can handle a ROG Ryuo IV SLC 360 ARGB AIO cooler and the ROG Astral LC GeForce RTX 5090 360mm radiator at the same time. It supports radiators up to 420mm at the front and 360mm at the top, leaving room to fit a custom loop pump and reservoir.

Easy installation and maintenance
ROG Strix Helios II features multiple mechanisms to provide the smoothest possible build experience, even for DIY enthusiasts. Meanwhile, thanks to the built-in dust filters and easy access, keeping the machine clean is also easy.

Easy cable management
Keep your building neat and orderly with the help of flexible covers and the comprehensive cable management system. The hook-and-loop cable guide channel allows two sets of cables to be organized neatly.

Front I/O panel
- 20 Gbps USB Type-C
- 60 watt fast charging

The Helios II has two USB 20 Gbps Type-C ports that support 60-watt fast charging in compatible cases.

Ergonomic case straps
Take your precious build with you to LAN parties with ease with the ergonomic X-shaped woven fabric straps that combine style and comfort and are rigorously tested to support up to 50kg for reliable transport.