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Black open-frame mid-tower case with aluminum exo-structure and dual 200mm front fans

Cooler Master

Cooler Master MF500M-KHNN-S00 PC Case

SKU CH-FMNT-TGRZ6 MPN MF500M-KHNN-S00

Open-frame ATX mid-tower with FreeForm 2.0 aluminium structure, dual 200 mm front fans, 360 mm radiator support and 390 mm GPU clearance

  • TypeATX Mid Tower
  • ColorBlack
  • Case MaterialSGCC
  • Motherboard CompatibilityATX / E-ATX / Micro ATX / Mini DTX / Mini ITX / SSI CEB
  • Internal 2.5" Drive Bays1
  • Expansion Slots8
  • Pre-installed dual 200mm fans deliver strong airflow out of the box
  • FreeForm 2.0 open frame enables flexible component layouts and easy access
  • Supports motherboards up to 305 x 330 mm from Mini-ITX to E-ATX
  • Fits graphics cards up to 390 mm long and CPU coolers up to 190 mm tall
  • Holds up to 360 mm radiators on three sides for high-capacity liquid cooling

Product Type & Audience

The Cooler Master MasterFrame 500 Mesh is an ATX mid-tower chassis built on the FreeForm 2.0 open-frame platform. It targets builders and modders who want extensive cooling headroom and flexible hardware layouts.

Pre-Installation Checks

Verify that your motherboard fits the supported range from Mini-ITX up to E-ATX at 305 x 330 mm. Confirm your graphics card length does not exceed 390 mm and your CPU cooler height stays within 190 mm. Ensure the power supply length is no more than 235 mm.

Suitability & Limitations

This case suits enthusiasts planning custom water loops, multi-radiator stacks up to 600 mm on top, or showcase builds using interchangeable panels. It is not for buyers who need more than one internal 2.5-inch drive bay or who prefer a fully enclosed steel chassis for dust control.

Highlights

  • Pre-installed dual 200mm fans deliver strong airflow out of the box
  • FreeForm 2.0 open frame enables flexible component layouts and easy access
  • Supports motherboards up to 305 x 330 mm from Mini-ITX to E-ATX
  • Fits graphics cards up to 390 mm long and CPU coolers up to 190 mm tall
  • Holds up to 360 mm radiators on three sides for high-capacity liquid cooling

Specifications

BrandCooler Master
ModelMF500M-KHNN-S00
TypeATX Mid Tower
ColorBlack
Case MaterialSGCC
Motherboard CompatibilityATX / E-ATX / Micro ATX / Mini DTX / Mini ITX / SSI CEB
Internal 2.5" Drive Bays1
Expansion Slots8
Fan OptionsBottom - 1 x 120mm / Front - 3 x 120mm / Rear - 1 x 120mm / Top - 3 x 120mm
Radiator OptionsFront - Up to 360mm / Rear - Up to 120mm / Top - Up to 600mm
Max GPU Length390 mm
Max CPU Cooler Height190 mm
Max PSU Length235 mm
Shipping weight9.53 kg
Package size635 × 584 × 356 mm

Questions about this item

Will an E-ATX board that measures 305 by 330 millimetres fit inside?

Yes, the case supports motherboards up to 305 x 330 millimetres, covering E-ATX, ATX, Micro-ATX, Mini-DTX and Mini-ITX.

Can I mount a 360 millimetre radiator at the top without hitting the motherboard?

The top supports radiators up to 600 millimetres, so a 360 millimetre unit will clear standard ATX and E-ATX layouts.

Does the case come with any fans already installed, or do I need to buy them separately?

Two 200 millimetre intake fans are pre-installed at the front, giving strong airflow straight out of the box.

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