Build a reliable and airflow-optimized rig with the Cooler Master MasterBox 600 Mid‑Tower Case, crafted from steel and plastic with a tempered glass side panel. It supports E‑ATX, ATX, micro ATX, and Mini‑ITX motherboards, and installs large GPUs and radiators comfortably—ideal for high-performance gaming or content-creation builds.
Bigger is Better
The Masterbox 600 aims to bring high-level performance to every segment of the PC building community. We believe all users should be able to acheive the greatest heights of performance, so the Masterbox 600 is designed to deliver premium features and performance to te broadest user base possible. The MasterBox 600 is prepared with space for a 420mm radiator and a 410mm GPU, back-connector motherboard support, which is the new standard for modern ATX cases.
Back-connected motherboard support
Support back-connected motherboard to frees up space in the front of the
case and providing improved cable management space up to 33~35mm behind MB tray.
Room For Upgrades
Support for up to a 410mm graphics card, a 170mm CPU cooler, and multiple fans/radiators locations
provides room for upgrades to stay ahead of the game.
FineMesh Performance Front Panel
Large mesh intakes offer unrestricted airflow and stellar thermals for demanding systems.
Removable HDD cage
Supports up to 2x3.5” HDD storage and 6x 2.5” SSD, the HDD cage is completely removable for improved
access during assembly and system upgrades.
Versatile Cooling Options
Support for up to seven 120mm fans and 360mm radiators on the top and 420mm on front panel that can effectively cool down even the most powerful CPUs.
Optimized airflow
3x 140mm Sickeflow fans, and a CF120 fan provide exceptional cooling power and eye-catching aesthetics.
Specifications
| Design |
| Maximum PSU length |
21 cm |
| Maximum graphics card length |
41 cm |
| Maximum CPU cooler height |
17 cm |
| Anti-dust filter |
Yes |
| Illumination location |
Case fans |
| Illumination colour |
Multi |
| Illumination |
Yes |
| Side window |
Yes |
| Number of expansion slots |
7 |
| Number of 2.5" bays |
2 |
| Number of 3.5" bays |
2 |
| Supported motherboard form factors |
ATX, EATX, ITX, micro ATX |
| Product colour |
Black |
| Material |
Plastic, Steel, Tempered glass |
| Type |
PC |
| Form factor |
Desktop |
| Power supply |
| Supported power supply form factors |
ATX |
| Power supply included |
No |
| Ports & interfaces |
| Combo headphone/mic port |
Yes |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity |
1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity |
2 |
| Cooling |
| Top radiator sizes supported |
120,140,240,280,360 mm |
| Rear radiator sizes supported |
120 mm |
| Front radiator sizes supported |
120,140,240,280,360,420 mm |
| Fan speed |
650 - 1800 RPM |
| Top fans diameters supported |
120,140 mm |
| Number of top fans supported (max) |
3 |
| Rear fans diameters supported |
120 mm |
| Number of rear fans supported (max) |
1 |
| Rear fans installed |
1x 120 mm |
| Front fans diameters supported |
120,140 mm |
| Number of front fans supported (max) |
3 |
| Front fans installed |
3x 140 mm |
| Storage |
| Supported HDD sizes |
2.5,3.5" |
| Weight & dimensions |
| Weight |
7.9 kg |
| Height |
481 mm |
| Depth |
474 mm |
| Width |
230 mm |
| Packaging data |
| Package weight |
9.4 kg |
| Package height |
554 mm |
| Package depth |
547 mm |
| Package width |
315 mm |
| Other features |
| Volume |
49.73 L |
