ROG Strix Helios II 
 Specifications 
- 
Model: ROG Strix Helios II 
- 
Case Size: Mid Tower 
- 
Motherboard Support: EATX (12"x10.9"), ATX, Micro-ATX, Mini-ITX 
- 
Drive Bays: 
 • 4 × 2.5" bays
 • 2 × 2.5"/3.5" combo bays
- 
Expansion Slots: 8 + 2 (vertical) 
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Front I/O Ports: 
 • 1 × Headphone/Microphone jack
 • 2 × USB 3.2 Gen 2x2 Type-C
 • 4 × USB 3.2 Gen 1
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Tempered Glass Panels: Front, Left, and Right sides 
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Radiator Support: 
 • Front: 120 / 140 / 240 / 280 / 360 / 420 mm
 • Top: 120 / 140 / 240 / 280 / 360 mm
 • Rear: 120 / 140 mm
- 
Cooling Support: 
 • Front: 3 × 120 mm or 3 × 140 mm
 • Top: 3 × 120 mm or 2 × 140 mm
 • Rear: 1 × 120 mm or 1 × 140 mm
- 
Pre-installed Fans: 
 • Front: 3 × 140 mm PWM
 • Rear: 1 × 140 mm
- 
Maximum CPU Cooler Height: 190 mm 
- 
Maximum PSU Length: 220 mm 
- 
Removable Dust Filters: Front, Top, Bottom 
- 
Cable Management Space: Up to 33 mm 
- 
Dimensions (W x D x H): 250 × 565 × 591 mm 
- 
Weight: 18 kg 
- 
AURA Sync: ARGB lighting supported 
- 
Accessory: Extension hub supports up to 6 PWM fans and 6 ARGB LED strips 
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