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Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
Cooler Master MasterBox Q300L V2
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Overview & Specs
Condition
Used, Good
Usage
< 1 year
Description from Seller

Used for over three months until I upgraded my PC with a new motherboard and case. Cleaned it the best I could, but there might be some dust hiding somewhere.

Note: Physical manual is missing. An online copy can be found here: https://coolermaster.egnyte.com/dl/yOJSJTLj9C

Specifications:

  • Mini-tower size
  • Supports Micro ATX and Mini ITX motherboards
  • Tempered glass panel
  • Magnetic dust filters (top, front, and bottom)
  • 4x PCIe expansion slots (2 covers taken out for a two-slot graphics card)
  • 1x 3.5" drive bay, 2x 2.5" drive bays
  • 2x Type-A USB 3.2 Gen 1, 1x Type-C USB 3.2 Gen 2x2, 1x 3.5mm audio I/O jack
  • Fan support
    • Top: 2x 120mm fans
    • Front: 2x 120/140mm fans
    • Bottom: 1x 120mm fan
    • Rear: 1x 120mm fan (already one preinstalled)
  • Radiator support
    • Front: 120/240mm
    • Rear: 120mm
  • Max clearance
    • CPU Cooler: 159mm
    • PSU: 160mm, ATX
    • GPU: 360mm

Includes:

  • Computer case
  • 1x 120mm fan, black (preinstalled)
  • Bag of screws, zip ties, and other parts according to the manual
Specifications
  • Brand
    Cooler Master
  • Form Factor
    Mid-Tower
  • Color
    Black
Shipping & Returns
Shipping
Estimated arrival
Published 4/13/2026|Expires 5/13/2026

Cooler Master MasterBox Q300L V2

$30.00
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SButzbach07
Have a similar item? Sell yours
Overview & Specs
Condition
Used, Good
Usage
< 1 year
Description from Seller

Used for over three months until I upgraded my PC with a new motherboard and case. Cleaned it the best I could, but there might be some dust hiding somewhere.

Note: Physical manual is missing. An online copy can be found here: https://coolermaster.egnyte.com/dl/yOJSJTLj9C

Specifications:

  • Mini-tower size
  • Supports Micro ATX and Mini ITX motherboards
  • Tempered glass panel
  • Magnetic dust filters (top, front, and bottom)
  • 4x PCIe expansion slots (2 covers taken out for a two-slot graphics card)
  • 1x 3.5" drive bay, 2x 2.5" drive bays
  • 2x Type-A USB 3.2 Gen 1, 1x Type-C USB 3.2 Gen 2x2, 1x 3.5mm audio I/O jack
  • Fan support
    • Top: 2x 120mm fans
    • Front: 2x 120/140mm fans
    • Bottom: 1x 120mm fan
    • Rear: 1x 120mm fan (already one preinstalled)
  • Radiator support
    • Front: 120/240mm
    • Rear: 120mm
  • Max clearance
    • CPU Cooler: 159mm
    • PSU: 160mm, ATX
    • GPU: 360mm

Includes:

  • Computer case
  • 1x 120mm fan, black (preinstalled)
  • Bag of screws, zip ties, and other parts according to the manual
Specifications
  • Brand
    Cooler Master
  • Form Factor
    Mid-Tower
  • Color
    Black
Shipping & Returns
Shipping
Estimated arrival