MasterCase Series

The new wave of case technology pioneered by our MasterCase series crests with the unique FreeForm Modular System, which allows unparalleled flexibility to upgrade your case via the addition of top panels or doors, change aesthetics, thermal performance and layout flexibility. The MasterCase Maker 5 advances beyond the concept of a standard build by offering the option to completely swap and adjust the case's form and functionality with multiple interior and exterior outlooks, ample space and customized accessories.

FreeForm Modular System


We want you to have absolute control over how your case looks and functions. The FreeForm Modular System of the MasterCase lets you adjust the exterior structure and aesthetic via a range of replacement panels and doors.



MasterCase Maker 5 reveals a simple yet modern style with customization options such as a magnetic top cover with plate, a padded front door for sound suppression and an illuminated glossy I/O panel.


Have an awesome idea, and the ability to express them in everything you make or do? Download the 3D-graphic file for external modularity to customize and accessorize. (STP files available for download).

Adjust Internal Layout


Leveraging our unique clip-and-click technology, vertically adjust or entirely remove your optical disk drive (ODD) and HDD via sliding locks. Just click-in the cages, and adjust the height to suit your needs. Position them at the top to allow room for up to three extra-long graphics cards, or retain only the bottom positioned cages to add a front-mounted radiator for even more cooling options.


The first Cooler Master case to incorporate two easy to install slip-and-clip solid-state drive pockets (2.5") with four easy mounting positions. Showcase them on the partition panel or hide them behind the motherboard tray for a cleaner look.
A.Two behind the motherboard tray
B.Two on top of power supply partition


FreeForm enables the option to install three front-mounted 140mm fans and a 280mm radiator for unmatchable ventilation due to a unique facility to horizontally shift the bottom-mounted hard disk drives. There's also support for up to six 140mm fans through the case, unique for a mid-sized tower.

I/O Panel

Equipped with an upgraded I/O panel, you get buttons for the LED strip, fan speed control and four USB ports including USB 3.0 Type C. Ensure your rig will be future proof and support the devices of tomorrow.


The MasterCase Maker 5 advances beyond the concept of a standard build by offering the option to completely swap and readjust the case's form and functionality with multiple interior and exterior outlooks, ample space and customized accessories. It supports a host of different configurations, enabling users to upgrade rather than replace their case. Through FreeForm users can adjust allowing the flexibility to upgrade or build multiple system configurations like home servers, water-cooled workstations, or gaming rigs with dual-slot extra-long graphics cards.

Led & Fan Controller Board

The controller board supports up to six fans and four LED strips, allowing for high (12V) and low (7V) fan speeds and LED lighting for stripes or fans with three modes (on, off and breathing effect).

Custom Accessories

Shape, mod, and customize your case with an ever growing range of accessories created by Cooler Master's design team, and from our community of Makers.



Available Color



Steel body, Plastic mesh bezel, tempered glass panels (both sides) 

Dimensions (LxWxH)

511.5 x 235 x 548 mm 

Motherboard Support

ATX, MicroATX, MiniITX 

Expansion Slots

Drive Bays 

5.25 "2x 

3.5 "2x 

2.5" 2 + 2 

I / O Panel 

USB 3.0 x 4 

Audio In & Out (supports HD Audio) 

Fan Speed Control H / L 

Preinstalled fans: 

Front 140 mm x 2 (1200RPM) 

Rear 140 mm x 1 (1200RPM) 

Fan Support: 

Top 120/140 mm x 2 

Front 120/140 mm x 3 

Rear 120/140 mm x 1 

Liquid Cooling Support: 

Front 120 mm / 140 mm / 240 mm / 280 mm radiator 

Rear 120 mm / 140 mm 

Top 120 mm / 140 mm / 240 mm / 280 mm (maximum 297 radiator length) 


CPU Cooler 190 mm 

PSU 200 mm 

Graphics Card 

296 mm (with 3.5 "HDD cage) 

412 mm (w / 3.5" HDD cage) 

Cable Routing: 

Behind Motherboard Tray 35 mm 

Dust Filters

Top, Front, bottom 

Power Supply

Support bottom mount ATX 

Lighting Support

Red LED strip x 1 (preinstalled) 

4 LED connections in total available

(3 available out of the package) 

Extra features: 

MasterCase MPort Graphics Card Holder 

24 month warranty

No additional files, specification sheets, guides or documentation found for product.

Warranty: 24 Month Return To Base

Full manufacturers warranty details are available at the manufacturers (CoolerMaster) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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