The H9 Flow is a spacious mid-tower ATX case built for high-performance builds, balancing airflow and aesthetics. Its dual-chamber design improves cooling and cable management, while perforated panels, angled fans, and ample fan and radiator support deliver optimal thermal performance.
Tech Specs
Dimensions
Height: 506 mm (19.9 in)
Width: 315 mm (12.4 in)
Depth: 481 mm (18.9 in)
Volume: 76.7 L
Weight: 12.6 kg (27.78 lb)
General
Enclosure Type: Mid-tower
Motherboard Compatibility: E-ATX (Up to 277 mm), ATX, Micro-ATX, Mini-ITX
Rear-Connecting Motherboard Support (BTF, Project Zero): Yes (ATX)
Materials: SGCC steel, clear tempered glass (white), tinted tempered glass (black)
Clearance
CPU Cooler Height: 165 mm
GPU Length: Up to 459 mm (with <56 mm thickness fans installed at the front-right) Up to 410 mm (with 56 mm thick 420 mm AIO and fans installed at the front-right)
PSU Length: 200 mm
Top Radiator & Fan Thickness: Up to 80 mm (360 mm) Up to 62 mm (420 mm)
Front I/O Ports
USB 3.2 Type-A: 2
USB 3.2 Gen2x2 Type-C: 1
Headset Jack: 1
Expansion Slots
Standard: 7
Vertical: 0
Drive Bays
2.5": 4+2
3.5": 2
Fan Support
Front-Right: 3 x 120 mm / 3 x 140 mm (1 x F420 RGB Core included)
Top: 3 x 120 mm / 3 x 140 mm
Bottom: 3 x 120 mm / 3 x 140 mm
Rear: 1 x 120 mm (1 x F120Q (CV) included)
Radiator Support
Front-Right: Up to 420 mm
Top: Up to 420 mm
Bottom: Up to 360 mm
Rear: Up to 120 mm
Fan Specs – F420 RGB Core
Model: F420 RGB Core
Speed: 2,000 ± 200 RPM
Airflow: 98.61 CFM
Static Pressure: 3.2 mmH2O
Noise: 34.5 dBA
Fan Connector: 8-pin w/ splitter
Fan Specs – F120Q (CV)
Model: F120Q (CV)
Speed: 1,350 ± 150 RPM
Airflow: 60.2 CFM
Static Pressure: 1.05 mmH2O
Noise: 24.1 dBA
Fan Connector: 3-pin
