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Cooler Master MasterBox Q300L - PC Case

Reviews Cooler Master MasterBox Q300L

Interested in reviews of Cooler Master MasterBox Q300L? It got 4.5 out of 5 stars from our customers. Find specific customer reviews of Cooler Master MasterBox Q300L below. We will appreciate if you also share your experiences with Cooler Master MasterBox Q300L after purchasing.
52.90 €
In stock > 5 pcs
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User Reviews

Jiří, Bechyněflag
Rated 25/12/2025, variant Cooler Master MasterBox Q300L
Verified purchase
seamless installation of components
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Tereza, Hořiceflag
Rated 18/03/2025, variant Cooler Master MasterBox Q300L
Verified purchase
Everything works as it should, the light is on.
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Tomáš, Bystřiceflag
Rated 02/12/2024, variant Cooler Master MasterBox Q300L
Verified purchase
I bought the case because I like small and easily portable PCs. I was quite embarrassed when I fitted the cabinet with the components to see if I could return it. In the end I won and now the wardrobe is just a showpiece. At the very least, you'll exercise your patience and also your finger dexterity to somewhere slightly above the level of an amateur gynecologist.
nice
compact size
price/performance
the side panel can be put in different positions
easily removable filters, sometimes too much
lots of space for cables in the side
easily portable
many custom accessories can be printed on the 3D printer
worse airflow (bigger holes but far enough apart)
when you mount the motherboard, you no longer install 140mm top fans, the packs from the RAM slots and the MB itself, 120mm with scuffed ears
240mm water cooling in the front only
the side plexiglass is quite fiddly
generally quite "gynecology"
when you put the 240mm waterline forward, you have to put the side panel in a different position than the default
rear fan is noisier and only 3 pin
The fans can only be mounted with screws. The holes are too small and the rubber grips, like the ones from Akasa, won't fit.
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Customer, Moravská Ostrava a Přívozflag
Rated 07/11/2023, variant Cooler Master MasterBox Q300L
Verified purchase
výhled
možnost směny zapnutí místa front panelu
slabá jakost úchytů pod základní desku
skříň pod mATX ale neni možné využít druhého PCI Express z důvodu nedostatku místa mezi ZD a zdrojem
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Daniel, Plzeňflag
Rated 31/03/2022, variant Cooler Master MasterBox Q300L
Verified purchase
It' s really fun how everyone buys a SMALL case, and then they write it as a minus: ) If you want a spacious giant wardrobe, this one is definitely not for you.
Smaller
Magnet dust filters - then easily wipe the PC
Personally, I' m a little sorry that it doesn' t have a cover for the source (so that the cables from the non-modular source are not visible)
Slightly worse handling of the control panel during construction.
The side panel is made of ordinary plexiglass, but this is already stated in the label, so it cannot be taken as a minus - you buy it with that.
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Jakub, Kouniceflag
Rated 08/03/2022, variant Cooler Master MasterBox Q300L
Verified purchase
in essence, it at least keeps its shape
fell apart after the first day
I solve little disk space with duct tape
poor quality plexiglass side panels
rather, I would not buy it back
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Matúš, Galantaflag
Rated 02/01/2022, variant Cooler Master MasterBox Q300L
Verified purchase
easy installation
compact dimensions
good cabinet ventilation
good workmanship
the transparent side will probably be prone to scratching
side panel bends when you plug in a usb key or headphones
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Lukáš, Česká Třebováflag
Rated 23/01/2021, variant Cooler Master MasterBox Q300L
Verified purchase
Nice
Sliding panel
Appearance
Magnetic dust filters
Really a lot of space for cabling
short cables from the front panel (e.g. LEDs could not be plugged in, power and reset buttons just barely)
space for fans - at first glance a lot of space, but at 120 mm in the top position I could not fit the board - what luck that they could at least move from the marked positions
space for 3.5 hdd
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Jiří, Horoušánkyflag
Rated 02/11/2020, variant Cooler Master MasterBox Q300L
Verified purchase
unusual design solutions
leaky so well cooling fans can be everywhere except the back wall
I probably added 2x120 fans unnecessarily
unusual placement of 2 hdd
beware it has no DVD mounting option
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SlajIT - Hello World, s.r.o., Krmelínflag
Rated 18/07/2020, variant Cooler Master MasterBox Q300L
Verified purchase
Very nice little case
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