ASUS ROG Strix Helios II GX601S Tower
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About This Item
- Mid-tower gaming case with dual tempered glass side panels
- Supports ATX, EATX, micro ATX, and Mini-ITX motherboards
- Pre-installed with four 140mm performance fans for enhanced airflow
- Supports radiators up to 420mm front, 360mm top, and 140mm rear
- Maximum GPU support of 45cm and CPU cooler height of 19cm
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ASUS ROG Strix Helios II GX601S | Premium Mid-Tower Gaming Case
The ASUS ROG Strix Helios II GX601S Midi Tower Black is a high-end mid-tower gaming case engineered for showcase builds, combining premium materials, advanced cooling, and extensive expandability for demanding UK gamers and PC enthusiasts.
Specifications
| Metric | Spec. |
|---|---|
| Form Factor | Midi Tower |
| Maximum GPU Length | 45 cm |
| Supported Motherboard Types | ATX, EATX, micro ATX, Mini-ITX |
| Front Radiator Support | Up to 420 mm |
| Pre-Installed Fans | 4 x 140 mm |
Premium Design & Aesthetics
The Helios II features dual 4mm-thick tempered glass side panels housed in a refined brushed-aluminium frame. The diamond grille front panel, crafted using high-precision CNC milling and anodizing, delivers both striking visual appeal and optimized airflow. Rounded edges and hidden seams create a sleek, streamlined profile perfect for high-end showcase builds.
Four Pre-Installed Performance Fans
Equipped with four 140mm fans featuring 28mm frames, the Helios II delivers strong airflow while maintaining a low 29 dB(A) noise level. This balance ensures efficient cooling for demanding gaming setups without excessive acoustic disturbance.
Ready for High-Performance Builds With Dual AIO Support
Designed for expansion, the Helios II supports motherboards from ITX to EATX and accommodates GeForce RTX™ 5090 graphics cards. It can simultaneously handle a ROG Ryuo IV SLC 360 ARGB AIO cooler and a 360mm radiator, with front support for radiators up to 420mm and top support for 360mm units, leaving space for custom loop pumps and reservoirs.
Easy Installation & Maintenance
Building and maintaining your rig is straightforward thanks to tool-free mechanisms. A push-button releases tempered glass side panels that hinge open for easy access. Removable fan and radiator brackets simplify assembly, while a detachable rear PSU bracket allows the power supply to slide in effortlessly. Built-in dust filters on the front, top, and underside provide comprehensive protection and easy cleaning.
Effortless Cable Management
Keep your build tidy with flexible covers and a comprehensive cable management system. A cable grommet channel with Velcro straps organizes cables neatly, while a multifunction cover with graphics card braces hides wiring and supports GPUs. Its adjustable position accommodates both ATX and EATX motherboards.
What is in the box
- ASUS ROG Strix Helios II GX601S Midi Tower case
- 4 x 140mm pre-installed fans
- Tempered glass side panels
- Modular fan and radiator brackets
- Detachable rear PSU bracket
- Front I/O panel with USB ports
- ARGB lighting control button
- Ergonomic case straps
- User manual and warranty documents
Check before you buy
- Confirm your graphics card length is within 45 cm to fit.
- Verify your motherboard size (up to EATX) is supported.
- Check radiator compatibility if planning liquid cooling (front supports up to 420 mm).
- Ensure your PSU length is within 22 cm if using the rear mount.
Questions and answers
What motherboard sizes does this case support?
How many fans can be installed?
What is the maximum GPU length supported?
Does it include a power supply?
Is liquid cooling supported?
Buying advice
The ASUS ROG Strix Helios II GX601S is ideal for UK gamers and PC builders seeking a premium, expandable mid-tower case with exceptional cooling, striking aesthetics, and easy maintenance. Its robust build and support for high-end components make it perfect for showcase builds and demanding gaming setups. Covered by the applicable manufacturer warranty.
| Audio output | Yes |
|---|---|
| Anti-dust filter | Yes |
| Material | Aluminium, Tempered glass |
| Number of 3.5 bays | 2 |
| Number of 2.5 bays | 4 |
| Number of internal 3.5 bays | 2 |
| Supported motherboard form factors | ATX, EATX, micro ATX, Mini-ITX |
| Suitable for | Gaming |
| Side window | Yes |
| Reset button | Yes |
| Illumination location | Front |
| Illumination colour | Multi |
| Illumination | Yes |
| Cable management | Yes |
| Product colour | Black |
| Number of expansion slots | 8 |
| Maximum CPU cooler height | 19 cm |
| Maximum graphics card length | 45 cm |
| Maximum PSU length | 22 cm |
| Type | PC |
| Form factor | Midi Tower |
| On/off button | Yes |
| Tempered glass panels | Yes |
| RGB control button | Yes |
| Power supply included | No |
| USB 3.2 Gen 2 3.1 Gen 2 Type-C ports quantity | 1 |
| USB 3.2 Gen 1 3.1 Gen 1 Type-A ports quantity | 4 |
| Audio input | Yes |
| Front radiator sizes supported | 120,140,240,280,360,420 mm |
| Rear radiator sizes supported | 120,140 mm |
| Top radiator sizes supported | 120,140,240,280,360 mm |
| Front fans installed | 3x 140 mm |
| Number of front fans supported max | 3 |
| Front fans diameters supported | 120,140 mm |
| Rear fans installed | 1x 140 mm |
| Number of rear fans supported max | 1 |
| Rear fans diameters supported | 120,140 mm |
| Number of top fans supported max | 3 |
| Top fans diameters supported | 120,140 mm |
| Liquid cooling capability | Yes |
| HDD/SSD combo cage | Yes |
| Supported HDD sizes | 2.5,3.5″ |
| Number of HDDs supported | 6 |
| Width | 250 mm |
| Depth | 565 mm |
| Height | 591 mm |
| Weight | 18 kg |
| Package width | 705 mm |
| Package height | 740 mm |
| Package depth | 390 mm |
| Package weight | 21 kg |
| Distributor SKUs | W129270355, STD10230998, CL90DC00W0-B39000 |











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