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Cooler Master HAF II 500 ATX PC Case, High Airflow Dual 220mm + 180mm Fans, 430mm Graphics Cards Support, 360mm AIO Support, ATX Motherboards, 4 Dual-Slot GPUs, Dedicated GPU Airflow, AI Workstation

Oversized Mighty40 cooling system with two 220 x 40 mm front intake fans and one 180 x 40 mm rear exhaust fan.
Low airflow resistance design uses large front and rear ventilation openings to improve airflow throughput.
Split-level cable management optimizes routing space and creates room for oversized rear exhaust cooling.
MasterRail mounting system supports multiple fan and radiator sizes at the front and top of the case.
Dual-Mode GPU Holder clamps a single GPU for added stability or supports two GPUs up to 3.6 slots (72 mm) thick each.
Flexible storage cage supports 3.5-inch and 2.5-inch drives in orientations based on PSU length.

Overview

Specs

Reviews

Model
Brand	Cooler Master
Model	H500G2-KGNN-S00

Details
Case Material	Chassis: SGCC Panel: ABS Side Panel: Tempered Glass (Left Panel); SGCC (Right Panel)
Motherboard Compatibility	Mini-ITX, Mini-DTX, Micro-ATX, ATX, CEB (ATX-Compatible Standoff Pattern), E-ATX (ATX-Compatible Standoff Pattern; Up to 310 mm Wide)
Dust Filters	Bottom / Front / Top

Front Panel Ports
Front Ports	Power LED: 1 USB Ports: 1 x USB 3.2 Gen 2x2 Type-C; 2 x USB 3.2 Gen 1 Type-A Audio in / out: 1 x 3.5 mm Headset Jack (Audio + Mic) Reset Switch: 1

Cooling System
Fan Options	Top: 3 x 120 / 140 mm, or 2 x 160 / 180 mm Front: Default: 2 x 220 mm; With MasterRails: 3 x 120 / 140 mm, or 2 x 160 / 180 mm Rear: 1 x 180 mm
Pre-installed Fans	Front: 2 x Mighty40 F220 Rear: 1 x Mighty40 V180
Radiator Options	Top: 240 / 280 / 360-120 / 360-180 mm (Conditional Support) Front: With MasterRails: 240 / 280 / 360-120/ 360-180 mm (Conditional Support*) Rear: 180 mm

Dimensions & Weight
Max GPU Length	Length: 430 mm (With Mighty40 F220 Fans Installed) Thickness: 72 mm / Card When Installing 2 Graphics Cards; 40 mm / Card When Installing 4 Graphics Cards
Max CPU Cooler Height	221 mm (Intel); 220 mm (AMD)
Max PSU Length	150 mm (North-South Drive Orientation); 210 mm (East-West Drive Orientation)
Dimensions	557 x 262 x 548 mm
Weight	14.2kg

Additional Information
First Listed on Newegg	July 14, 2026

Warranty & Returns