Photo: Cooler Master / Manufacturer product image source
Cooler Master
Cooler Master MasterBox Q300L V2.
budget
- Cheapest respectable airflow box
- Magnetic dust filters all around
- 159 mm cooler ceiling - big towers need not apply
Best price
$58$60 MSRP
at Best Buy
//01SPEC SHEET
BrandCooler Master
Release year2023
MSRP$60
TypeMicro ATX
Motherboard supportmATX / ITX
Max GPU length360 mm
Max cooler height159 mm
Max PSU length160 mm
PSU form factorATX
Radiator support240 mm
Fan mounts5 x 120 mm - 2 x 140 mm
Included fans1
Drive bays2 x 2.5" - 1 x 3.5"
Volume41.7 L
Side panelTempered Glass
//02PRICE COMPARISON
Prices as of 01 Oct 2026, 22:44 UTC
//03PRICE HISTORY
90d min
$48
90d avg
$54
90d max
$58
//04COMPATIBILITY
//05ALTERNATIVES
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