Specifications
| ROG Strix Helios |
| Motherboard Compatibility | EATX (up to 12î x 10.9î), ATX, Micro-ATX, Mini-ITX |
| Dimensions (W x H x D) | 250mm (W) x 591mm (H) x 565 (D) |
| Weight | 18 kg |
| Material | Aluminum, Steel, Tempered Glass, ABS Plastic |
| I/O Port | 1 x USB 3.1 Gen 2 Type-Cô |
| 4 x USB 3.1 Gen 1 | |
| 1 x Headphone | |
| 1 x Microphone | |
| LED Lighting Control & Fan Speed Control Buttons | |
| 3.5î/2.5î Drive Bays | 2 |
| 2.5î Drive Bays | 4 (up to 9) |
| Expansion Slots | 8 x Horizontal PCIe |
| 2 x Vertical PCIe | |
| *Fitted Bracket for Two Vertical GPUs | |
| Maximum GPU Length | 450 mm |
| Maximum CPU Cooler Height | 190 mm |
| Maximum PSU Length | 220 mm |
| Radiator Compatibility | Front: 120, 140, 240, 280, 360, 420 mm |
| Top: 120, 140, 240, 280, 360 mm | |
| Rear: 120, 140 mm | |
| Cooling Support | Front: 3 x 140 mm / 3 x 120 mm (Radiator + Fan Thickness: Max. 90mm) |
| Top: 2 x 140 mm / 3 x 120 mm (Radiator + Fan Thickness: Max 60mm) | |
| Rear: 1 x 140 mm / 1 x 120 mm | |
| Pre-installed Fans | Front: 3 x 140 mm |
| Rear: 1 x 140 mm | |
| Removable Dust Filters | Front: Slide-out |
| Top: Slide-out | |
| Bottom: Slide-out | |
| Cable Routing | Max. 33mm |