Cooler Master MasterBox Q300L Micro-ATX Tower

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Computer Cases

Fans

Laptop Cooling Pads

Power Adapters

Server Racks / Cabinets

Webcam

Brands

Cooler Master
Thermaltake
Corsair
Fractal Design
NZXT
Lian Li

Antec
Silverstone Technology
Rosewill
Generic Brand
be quiet!
JONSBO
GIGABYTE
Zalman
Silverstone

Price

$25 - $50
$50 - $75
$75 - $100
$100 - $200
$200 - $300
$300 - $400

$400 - $500
$1250 - $1500

Type

ATX Full Tower
- ATX Full Tower
ATX Mid Tower
- ATX / Micro ATX Mid Tower
- ATX Desktop
MicroATX
- Micro ATX
- Micro ATX / Mini-ITX
- Micro ATX Mid Tower
- Micro ATX Mini Tower
- Micro ATX Tower
Mini-ITX
- Mini-ITX Desktop
- Mini-ITX Tower
ATX Mini Tower
- ATX Mini Tower
E-ATX Tower Case
- E-ATX Full Tower Case
- E-ATX Mid Tower Chassis

Other
- ATX Cases

Case Material

ABS / Steel / Tempered Glass
Aluminum
Aluminum / Steel
Aluminum / Tempered Glass
SGCC
SGCC / Tempered Glass

SPCC
SPCC / Tempered Glass
Steel
Steel / Plastic
Steel / Plastic / Tempered Glass
Steel / Plastic / Wood
Steel / Tempered Glass

Motherboard Compatibility

Back Connect
- ATX (Back Connect)
Enhanced ATX
- EE-ATX
- E-ATX
ATX
- ATX
- XL-ATX
Micro ATX
- Micro ATX
Mini-ITX
- Mini ITX
SSI CEB / SSI EEB
- SSI CEB
- SSI EEB

DTX
- Mini DTX
Other
- Enhanced Extended ATX
- ITX
- Micro ATX / ATX / E-ATX
- Micro ATX / ATX / ITX / E-ATX
- Micro ATX / ATX / Mini ITX / E-ATX
- Micro ATX / ATX / Mini-ITX

External 5.25" Drive Bays

Side Panel

1 x Side Tempered Glass Panel
2 x Sides Tempered Glass Panel
3 x Sides Tempered Glass Panel
4 x Sides Tempered Glass Panel
Tempered Glass Panel
Mesh Panel

Acrylic Window
with Side Window
without Side Window

Color

Black
- Black
Blue
- Hydrangea Blue
Green
- Matcha Green
Gray
- Charcoal Black
- Titanium Grey
Silver
- Silver
White
- Chalk White

Internal 3.5" Drive Bays

LED

RGB
ARGB
Non-LED
No

Max GPU Length

Over 400mm
- 400 mm
- 405 mm
- 410 mm
- 415 mm
- 420 mm
- 430 mm
- 450 mm
- 490 mm
- 491 mm
- 495 mm
- 512 mm
399 to 300mm
- 300 mm
- 330 mm
- 340 mm
- 344 mm
- 345 mm
- 348 mm
- 350 mm
- 355 mm
- 360 mm
- 365 mm
- 366 mm
- 368 mm
- 370 mm
- 375 mm
- 380 mm
- 390 mm
299 to 200mm
- 255 mm
- 275 mm
- 280 mm

Max CPU Cooler Height

Over 150mm
- 210 mm
- 198 mm
- 190 mm
- 186 mm
- 185 mm
- 182 mm
- 180 mm
- 178 mm
- 175 mm
- 173 mm
- 172 mm
- 170 mm
- 167 mm
- 166 mm
- 165 mm
- 162 mm
- 161 mm
- 160 mm
- 159 mm
- 157 mm
- 155 mm
150 to 121mm
- 150 mm
- 148 mm
- 145 mm

Max PSU Length

Over 250mm
- 400 mm
- 325 mm
- 270 mm
- 255 mm
250 to 201mm
- 250 mm
- 245 mm
- 240 mm
- 235 mm
- 230 mm
- 225 mm
- 220 mm
- 210 mm
- 205 mm
200 to 150mm
- 200 mm
- 190 mm
- 185 mm
- 180 mm
- 170 mm
- 160 mm
- 150 mm
Less than 150mm
- 140 mm
- 130 mm

Fan Options

Front
- Front - 1 x 120mm
- Front - 1 x 140mm
- Front - 1 x 180mm
- Front - 1 x 200mm
- Front - 1 x 92mm
- Front - 2 x 120mm
- Front - 2 x 140mm
- Front - 2 x 180mm
- Front - 2 x 185mm
- Front - 2 x 200mm
- Front - 3 x 120mm
- Front - 3 x 140mm
Rear
- Rear - 1 x 120mm
- Rear - 1 x 140mm
- Rear - 1 x 90mm
- Rear - 1 x 92mm
- Rear - 2 x 120mm
- Rear - 2 x 140mm
- Rear - 3 x 120mm
Top
- Top - 1 x 120mm
- Top - 1 x 140mm
- Top - 1 x 200mm
- Top - 2 x 120mm
- Top - 2 x 140mm
- Top - 2 x 160mm
- Top - 2 x 200mm
- Top - 3 x 120mm
- Top - 3 x 140mm
- Top - 6 x 120mm
Bottom
- Bottom - 1 x 120mm
- Bottom - 1 x 140mm
- Bottom - 2 x 120mm
- Bottom - 2 x 140mm
- Bottom - 2 x 180mm
- Bottom - 2 x 200mm
- Bottom - 3 x 120mm
- Bottom - 3 x 140mm
- Bottom - 6 x 120mm
Side
- Side - 1 x 120mm
- Side - 1 x 140mm
- Side - 2 x 120mm
- Side - 2 x 140mm
- Side - 2 x 200mm
- Side - 3 x 120mm
- Side - 3 x 140mm
- Side - 4 x 120mm

Front Ports

USB 3.2 Gen 1 / USB 3.2 Gen 2x2 Type-C / Audio
USB 3.1 Gen 2 / Audio
USB 3.0 / USB Type-C / Audio
USB 3.0 / Audio
USB 2.0 / USB 3.0 / Audio
USB / Audio

With Power Supply

No Power Supply
- No
500W - 300W Power Supply
- 400W
with Power Supply
- Yes

External 3.5" Drive Bays

Dust Filters

Yes
Bottom
Front
Side
Top

Internal 2.5" Drive Bays

Expansion Slots

Vertical Slots
- 2 x Vertical
Horizontal Slots
- 1
- 3
- 4
- 7
- 8
- 9
- 10

Radiator Installed

Front
- Front - 3 x 140mm
Rear
- Rear - 1 x 120mm
- Rear - 1 x 140mm
Top
- Top - 1 x 120mm
- Top - 1 x 140mm

Radiator Options

Front
- Front - Up to 420mm
- Front - Up to 360mm
- Front - Up to 280mm
- Front - Up to 240mm
- Front - Up to 140mm
- Front - Up to 120mm
Rear
- Rear - Up to 240mm
- Rear - Up to 140mm
- Rear - Up to 120mm
Top
- Top - Up to 720mm
- Top - Up to 600mm
- Top - Up to 420mm
- Top - Up to 360mm
- Top - Up to 280mm
- Top - Up to 240mm
- Top - Up to 140mm
- Top - Up to 120mm
Bottom
- Bottom - Up to 420mm
- Bottom - Up to 360mm
- Bottom - Up to 280mm
- Bottom - Up to 240mm
- Bottom - Up to 140mm
- Bottom - Up to 120mm
Side
- Side - Up to 480mm
- Side - Up to 420mm
- Side - Up to 360mm
- Side - Up to 280mm
- Side - Up to 240mm
- Side - Up to 140mm
- Side - Up to 120mm