Cooler Master Haf II 500 High Airflow Case Review

The creation of computer components are often a reaction to something happening in the market.  For instance, overclocking motherboards was a factory response to users physically modifying motherboards.  Pre-mod computer cases were released to support a cult movement designed to improve cooling and provide some individuality to your system builds.  The idea was simple, find something popular happening in the market and then design products to address the concerns.

In this review we will be looking at the HAF II 500.  This is a chassis that I saw during Computex 2026 and is the latest addition to the long running High AirFlow chassis from Cooler Master.  The HAF series is a product line intended to address concerns over inadequate airflow and is something casemodders would often address in their builds. 

The first HAF chassis was released in 2008 and featured an oversized fan mounted in the side panel along with a unique military industrial design.  That case was followed up in 2009 with a smaller version that moved the large fan to the top while maximizing width to increase the volume of air moving through the chassis.  HAF X was released in 2010 and was a much taller older brother to the original supporting dual 200mm fans.

In 2012 Cooler Master released their first test bench style chassis called the HAF XB and went a long way to flip system builds back to a desktop form factor.  From what I can tell, it wasn’t very popular either.  However, in 2014 the HAF Stacker hit store shelves with a debut during PAX 2013 and was the focus for a custom mod I did to promote the launch of Hardwareasylum.com.  In 2022 the HAF form factor changed considerably, by this time external drive bays had fallen out of favor allowing for dual 200mm fans to be mounted directly on the front panel and while the chassis design resembled the Mastercase H500, it was nice to see the HAF series come back.

The dual front fan concept was retained in the larger HAF 700 launched in 2022 along with some of the legacy graphics from the initial HAF 932 design.

This trip down memory lane tells a story of how a single chassis design can trigger an entire product line all from something end users had been doing for years.  However, what happens when a company creates a product in response to a product they created for a completely different purpose?

Enter the HAF II 500, a case built specifically to hold a new Cooler Master Mighty40 F220.  This is a 220mm x 40mm fan and happens to be the largest and thickest fan ever used in a consumer PC case. 

At least from the factory.

• Product Name HAF II 500
• Dimension (L x W x H) Incl. Protrusions 557 x 262 x 548 mm
• Dimension (L x W x H) Volume (Incl. Protrusions) 79.98 L
• Motherboard Support Mini-ITX, Mini-DTX, Micro-ATX, ATX, CEB (ATX-Compatible Standoff Pattern), E-ATX (ATX-Compatible Standoff Pattern; Up to 310 mm Wide)
• Material - Chassis SGCC (0.7 – 0.8 mm Thickness)
• Material - Panel ABS
• Material - Side Panel Tempered Glass (Left Panel); SGCC (Right Panel)
• Clearance - Cable Routing 15 – 40 mm
• Clearance - CPU Cooler 221 mm (Intel); 220 mm (AMD)
• Clearance - Power Supply 150 mm (North-South Drive Orientation); 210 mm (East-West Drive Orientation)
• Clearance - Graphics Card Length 430 mm (With Mighty40 F220 Fans Installed)
• Clearance - Graphics Card Thickness 72 mm / Card When Installing 2 Graphics Cards; 40 mm / Card When Installing 4 Graphics Cards
• Dust Filters Top / Front / Bottom (PSU)
• Expansion Slots 8
• Drive Bay Support - 3.5” / 2.5” 3 / 6 (PSU Length ≤ 150 mm) ; 2 / 4 (150 mm < PSU Length ≤ 210 mm)
• Preinstalled Drive Bay - 3.5” / 2.5” 3 / 6
• Fans Support Top 3 x 120 / 140 mm, or 2 x 160 / 180 mm
• Fans Support Front Default: 2 x 220 mm; With MasterRails: 3 x 120 / 140 mm, or 2 x 160 / 180 mm
• Fans Support Rear 1 x 180 mm
• Pre -installed Fans Front 2 x Mighty40 F220
• Pre -installed Fans Rear 1 x Mighty40 V180
• Fan Hub Ports 6 x PWM; 6 x ARGB
• Fan Hub Total Power Capacity 54W
• Radiator Support Top 240 / 280 / 360-120 / 360-180 mm (Conditional Support*)
• Radiator Support Front With MasterRails: 240 / 280 / 360-120 / 360-180 mm (Conditional Support**)
• I/O Panel Power LED 1
• I/O Panel USB Ports 1 x USB 3.2 Gen 2x2 Type-C; 2 x USB 3.2 Gen 1 Type-A
• I/O Panel Audio in / out 1 x 3.5 mm Headset Jack (Audio + Mic)
• I/O Panel Reset Switch 1
• Warranty Case 2 Years
• Warranty Fan 5 Years

Fan Specifications - Mighty40 F220

• Product Name Mighty40 F220
• Dimension (L x W x H) 220 x 220 x 40 mm
• Rated Voltage 12 V DC
• Max Current 0.5 A
• Speed 200 – 1050 rpm
• Max Airflow 203.8 CFM
• Max Pressure 3.1 mmH2O
• Max Noise (at 1 m) 36 dB(A)
• Bearing Type Dual Ball Bearing
• Frame Material PBT
• Blade Material LCP
• Weight 500 g
• Warranty 5 years

Fan Specifications - Mighty40 V180

• Product Name Mighty40 V180
• Dimension (L x W x H) 180 x 180 x 40 mm
• Rated Voltage 12 V DC
• Max Current 0.3 A
• Speed 250 – 1370 rpm
• Max Airflow 161.5 CFM
• Max Pressure 4.0 mmH2O
• Max Noise (at 1 m) 34 dB(A)
• Bearing Type Dual Ball Bearing
• Frame Material PBT
• Blade Material LCP
• Weight 425 g
• Warranty 5 years

One of the concepts surrounding the HAF series is the ability to move massive amounts of air to increase cooling performance.  During Computex 2026 Cooler Master had this chassis on display with the Mighty40 F220 fans cranked up.  Not only was the case still relatively silent but noticeable airflow could be felt over 10 feet away.