Device · Cooler Master

Cooler Master MasterBox Q300L

verified 2026-10-13 Specs from Cooler Master MasterBox Q300L product page. Also known as: masterbox q300l, mcb-q300l-kann-s00.

Specs

componentcase
form factorMicro-ATX tower
motherboard supportMicro-ATX; Mini-ITX
max gpu length mm360
max cpu cooler height mm159
psu supportATX
max psu length mm160
radiator supportfront: 120/240 · rear: 120 · top: · bottom: · side:

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