Premium design: The Helios II is made for showcase builds, with aluminum front panel featuring diamond-grille design and 3D-structured filter to support effective cooling 

Optimal thermal performance: Pre-installed four 140 x 28mm performance fans deliver ultimate airflow 

Ready for the DIY experience: PC building is made easy with support for EATX motherboards and graphics cards up to 450mm long, plus a graphics card slot clamp and a rear detachable PSU bracket  

Tidy PC building: Effortless cable management is enabled by a multifunction cover with graphics card holders, a PSU shroud, a cable cover and rear cable clips 

Advanced I/O panel: This section features two USB 20Gbps Type-C® ports, four USB-A 3.0 ports, an ARGB-lighting control button and a fan-speed PWM control button 

Comfortable case straps: Easily carry your prized build to LAN parties with ergonomic and stylish X-shaped woven straps 

For Compatibly of the product, please visit the respective product web site.

Compatibility issues are not covered under warranty or return.

Model

ROG Strix Helios II

Case SizeMid Tower

Motherboard SupportEATX (12"x10.9")

ATX

Micro-ATX

Mini-ITX

Drive Bays4 x 2.5" Bay

2 x 2.5"/3.5" Combo Bay

Expansion Slots8

2 (additional vertical)

Front I/O Port1 x headphone / Microphone

2 x USB 3.2 Gen 2x2 Type C

4 x USB 3.2Gen1

Tempered GlassFront Side

Left Side

Right Side

Radiator Support (Front)120 mm

140 mm

240 mm

280 mm

360 mm

420 mm

Radiator Support (Top)120 mm

140 mm

240 mm

280 mm

360 mm

Radiator Support (Rear)120 mm

140 mm

Cooling Support (Front)3 x 120 mm

3 x 140 mm

Cooling Support (Top)3 x 120 mm

2 x 140 mm

Cooling Support (Rear)1 x 120 mm

1 x 140 mm

Pre-installed Fans (Front)3 x 140 mm

PWM

Pre-installed Fans (Rear)1 x 140 mm

Maximum CPU Cooler Height190 mm

Maximum PSU Length220 mm

Removable Dust FiltersFront

Top

Bottom

Maximum Cable Management Space33 mm

Dimensions250 x 565 x 591 mm

Weight18Kg

AURA SyncARGB

AccessoryExtension Hub Support PWM Fan x 6, ARGB LED Strip x