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Cooler Master K501L MasterBox

Gaming is in the core of the new MasterBox K501L. Donning an illuminated fan against the angled front panel ventilation speaks to its competitive character. Support of gaming hardware like long graphics cards, plenty of storage, and liquid cooling take priority in the K501L while still leaving room for future upgrades. Compatibility for high-performance hardware makes the K501L the essential start in building a monster rig, competitively priced to point the focus toward upgrades.
Availability: In stock
Manufacturer: Cooler Master
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Angled Ventilation

The aggressive, angled front panel ventilation dons sharp design elements and striking lines, signifying the K501L’s competitive character.

Illuminated Fan & Power Button

Paired with lighting on the power button, an illuminated fan glows through the angled ventilation; a testament to its gamer core.

Edge-to-Edge Transparent Side Panel

Showcase your build through the transparent side panel. The standard K501L comes with an Acrylic panel.

Dual 360mm Radiator Support

For enthusiast-grade cooling, two 360mm radiators are supported on the top and front panel to keep the most extreme systems cool.

Versatile Cooling Options

Support for up to seven 120mm fans and 360mm front and top radiator support ensure that performance is not compromised.

Versatile Component Support

Clearances of 410mm for the graphics card, 165mm for CPU coolers, and 180mm for PSUs offer room for powerful builds and future upgrades.

Ports & interfaces:

USB 2.0 ports quantity: 1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 1
Audio input: Y
Audio output: Y


Product colour: Black
Form factor: Midi-Tower
Type: PC
Material: Acrylic,Plastic
Supported motherboard form factors: Mini ITX, Micro ATX, ATX, SSI CEB, E-ATX*, (*support for up to 12" x 10.7", will limit cable management features)
Number of 3.5" bays: 2
Side window: Y
Number of 2.5" bays: 2
Number of expansion: slots 7
Suitable for: Gaming
Reset button: Y
Maximum CPU cooler height: 165
Maximum graphics card length: 410
Maximum PSU length: 390
Cable management: Y
Illumination: Y
Illumination colour: Multi
Illumination location: Case fans
Anti-dust filter: Y
On/off button: Y

Weight & dimensions:

Width: 217
Depth: 499.5
Height: 468.5


Supported HDD sizes: 2.5,3.5


Front fans installed: 1x 120 mm
Rear fans installed: 1x 120 mm
Number of front fans supported (max): 3
Front fans diameters supported: 120,140
Number of rear fans supported (max): 1
Rear fans diameters supported: 120
Number of top fans supported (max): 2
Top fans diameters supported: 120,140
Liquid cooling capability: Y
Front radiator fan sizes supported: 120,140,240,280,360
Rear radiator fan sizes supported: 120
Top radiator fan sizes supported: 120,240

Power supply:

Power supply included: N
Supported power supply form factors: ATX,PS2
Attribute nameAttribute value
Form FactorMidi Tower