MasterBox 500


MasterBox 500

With top-notch gaming support and stealthy, futuristic design, MasterBox 500 really is the best of both worlds. The iconic MasterBox geometric facade features eye-catching, circuit inspired ARGB accents, easily customizable via a dedicated button on the I/O panel to display a stunning array of colors.

The chassis boasts upgraded cooling support, capable of housing a maximum of seven 120mm fans as well as dual 360mm radiators for both air and water cooling versatility. The top panel can be completely removed, allowing for greater access and ease during radiator or fan installations. The pre-installed fans provides powerful, silent cooling while giving users a head start on a fully illuminated build.


ARGB Front Panel – The iconic MasterBox geometric facade features minimalistic, circuit inspired ARGB strips, giving the chassis a stylish and futuristic profile. ARGB lighting can be effortlessly managed via a dedicated button on the I/O panel.

FineMesh Front Panel – Cooler Master’s FineMesh technology excels in providing maximum airflow, superior dust filtration, and amplifies the ARGB SickleFlow fans installed with a scattered glowing effect.

Removable Top Panel The top panel is entirely removable for improved access to the components during assembly. Ease of use also facilitates the mounting of cooling solutions such as fans and radiators.

Screwless & Tool-Free Design TG Side Panel – The tempered glass side panel is secured with pins for easy removal, facilitating quick access to the internals without the use of tools. An optional screw can be installed to further secure the tempered glass side panel.

Versatile Cooling Options – Support for up to seven 120mm fans and dual 360mm radiators on the top and front panel ensure high compatibility for liquid-cooled systems.

Room For Upgrades – Support for up to a 410mm graphics card, a 165mm CPU cooler, and up to a 180mm PSU in length provides room for upgrades to stay ahead of the game.


Product Name MasterBox 500
Product Number MB500-KGNN-S00
Exterior Color Black
Materials Exterior Steel, Mesh, Plastic
Left Side Panel Tempered Glass
Dimensions (L x W x H) incl. Protrusions 505 x 209 x 499mm
excl. Protrusions 491 x 209 x 499mm
Volume 51L
Motherboard Support Mini-ITX, Micro-ATX, ATX, E-ATX*
(*up to 12″ x 10.7″ motherboards, may impact cable management feature)
Expansion Slots 7
Drive Bays 5.25“ ODD 0
2.5″/3.5” Combo 2
2.5” SSD 4
I/O Panel USB Ports 2x USB 3.2 Gen 1 Type-A
Audio In / Out 1x 3.5mm Headset Jack (Audio + Mic)
Other 1x Reset/ARGB Button
Pre-installed Fan(s) Front 1x 120mm SickleFlow PWM ARGB
Top N/A
Rear 1x 120mm MF120 Non-LED Fan
Fan Support Front 3x 120mm / 2x 140mm
Top 3x 120mm / 2x 140mm
Rear 1x 120mm
Radiator Support Front 120/140/240/280/360mm
Top 120/140/240/280/360mm
(recommended maximum thickness – 55mm)
Rear 120mm
Clearances CPU Cooler 165mm
Power Supply 180mm
(295mm with HDD cage removed)
Graphics Card 410mm
Dust Filters Front, Top, Bottom
Power Supply Support Bottom mount, ATX PS2
Warranty 2 Years

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