Cooler Master

Cooler Master MCB-K501L-KANN-S00 MasterBox K501L ATX Case

Elevate Your Gaming Experience The Cooler Master MasterBox K501L is a gaming-centric ATX PC case designed with aggressive aesthetics and optimized airflow. Featuring angled front panel ventilation, red LED illumination, and a transparent side panel, this case showcases your gaming hardware while ...

$1,031.74*
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*Price sourced from Amazon.com. Last updated:Sep 12, 2026.Price and availability are subject to change — details.

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Overview

Elevate Your Gaming Experience

The Cooler Master MasterBox K501L is a gaming-centric ATX PC case designed with aggressive aesthetics and optimized airflow. Featuring angled front panel ventilation, red LED illumination, and a transparent side panel, this case showcases your gaming hardware while providing ample space for future upgrades.

Specifications:

  • Case Type: ATX Mid-Tower
  • Front Panel: Angled Ventilation with Red LED Illumination
  • Side Panel: Transparent Acrylic
  • Motherboard Support: Mini-ITX, Micro-ATX, ATX
  • Fan Support: Front 3 x 120mm, 2 x 140mm; Top 2 x 120/140mm; Rear 1 x 120mm
  • Radiator Support: Front Up to 360mm (max thickness 50mm excl. fans); Top Up to 240mm; Rear 120mm
  • CPU Cooler Height: Up to 165mm
  • Graphics Card Length: Up to 360mm (410mm excl. radiator)
  • Power Supply Length: Up to 200mm (390mm excl. radiator/HDD)

Key Features

ANGLED VENTILATION - The sharp angled front panel ventilation combined with menacing red LED lighting glows through the front and I/O panel.

EDGE-TO-EDGE TRANSPARENT SIDE PANEL - Showcase your build through the lightweight acrylic side panel.

MULTIPLE FAN AND RADIATOR CONFIGURATIONS - Front: 3 x 120mm, 2 x 140mm* fans, and up to a 360mm radiator with a maximum thickness of 50mm excl. fans. Top: 2 x 120/140mm fans and radiator up to 240mm. Rear: 1 x 120mm fan and radiator.

EXPANDING THE POSSIBILITIES - Spacious interior layout accommodates standard form factor ATX motherboards for gaming needs (Mini-ITX, Micro-ATX, Standard ATX).

VERSATILE COMPONENTS CLEARANCE - The MasterBox K500L supports CPU-Coolers up to a height of 165mm, Graphic Cards up to a length of 360mm (410mm excl. radiator), and Power Supplies up to a length of 200mm (390mm excl. radiator/HDD).

Specifications

Front Panel Ventilation
Angled
Lighting
Red LED (front and I/O panel)
Side Panel
Edge-to-edge transparent acrylic
Front Fan Support
3 x 120mm, 2 x 140mm
Front Radiator Support
Up to 360mm (max thickness 50mm excl. fans)
Top Fan Support
2 x 120/140mm
Top Radiator Support
Up to 240mm
Rear Fan Support
1 x 120mm
Rear Radiator Support
1 x 120mm
Motherboard Support
Mini-ITX, Micro-ATX, Standard ATX
CPU Cooler Clearance
Up to 165mm
Graphic Card Clearance
Up to 360mm (410mm excl. radiator)
Power Supply Clearance
Up to 200mm (390mm excl. radiator/HDD)

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Frequently Asked Questions

The Cooler Master MasterBox K501L features an edge-to-edge transparent acrylic side panel, allowing users to showcase their internal components.
This case accommodates standard form factor ATX motherboards, including Mini-ITX, Micro-ATX, and Standard ATX.
Yes, the front of the case supports a radiator up to 360mm with a maximum thickness of 50mm, excluding fans.
The MasterBox K501L supports CPU coolers with a height of up to 165mm.
The description highlights fan configurations, but does not explicitly state which or how many fans are included with the purchase.
The front panel ventilation and I/O panel feature menacing red LED lighting, providing a distinct visual style.