ROG Strix Helios
Case Size
Mid Tower
Motherboard Support
EATX (12"x10.9")
ATX
Micro-ATX
Mini-ITX
Drive Bays
4 x 2.5" Bay
2 x 2.5"/3.5" Combo Bay
Expansion Slots
8
2 (additional vertical)
Front I/O Port
1 x Headphone
1 x Microphone
4 x USB 3.1 Gen1
1 x USB 3.1 Gen2 Type C
LED Control Button
Fan Control Button
Reset Button
Tempered Glass
Front 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
Radiator + Fan Thickness: Max. 90 mm
Cooling Support (Top)
3 x 120 mm
2 x 140 mm
Radiator + Fan Thickness: Max. 60 mm
Cooling Support (Rear)
1 x 120 mm
1 x 140 mm
Pre-installed Fans (Front)
3 x 140 mm
Pre-installed Fans (Rear)
1 x 140 mm
Maximum CPU Cooler Height
190 mm
Maximum GPU Length
450 mm (Riser Cable above 200mm in length is required for one GPU install in vertical position)
Maximum PSU Length
220 mm
Removable Dust Filters
Front
Top
Bottom
Maximum Cable Management Space
33 mm
Dimensions
250 x 565 x 591 mm
