Quick Summary
The Cooler Master MasterBox MB511 is an ATX PC case with a front mesh panel, a transparent side panel and a red accent. It is set out for builds that need airflow-focused front and top panels, with support for several fan and radiator configurations.
The case also includes clearance details that matter when checking parts before ordering, including support for CPU coolers up to 165mm high, graphics cards up to 410mm long and power supplies up to 180mm long.
Who It Is Best For
This case suits buyers planning a gaming or general ATX build who want to check airflow layout, motherboard size and component clearance before assembly. It supports Mini-ITX, Micro-ATX and Standard ATX motherboards.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand and model | Cooler Master MasterBox MB511, making the exact case easy to identify. |
| Product type | ATX PC case with a front mesh panel and transparent side panel. |
| Front panel | Fine mesh front panel for airflow-focused front intake. |
| Side panel | Edge-to-edge transparent acrylic side panel for showing the build. |
| Motherboard support | Mini-ITX, Micro-ATX and Standard ATX motherboards are supported. |
| CPU cooler clearance | Up to 165mm height, so cooler size should be checked before fitting. |
| Graphics card clearance | Up to 410mm length, which is important when checking GPU fit. |
| Power supply clearance | Up to 180mm length, so PSU size should be confirmed before purchase. |
| Fan and radiator support | Front supports 3 x 120mm or 2 x 140mm fans and up to a 360mm radiator; top supports 2 x 120/140mm fans and up to a 240mm radiator; rear supports 1 x 120mm fan and radiator. |
What To Know Before You Buy
Check your motherboard size, CPU cooler height, graphics card length and power supply length against the stated clearance figures before ordering. The front, top and rear panel layout also needs to match the cooling plan you want to use.
The transparent side panel is acrylic, so buyers who want to view internal components should note that material when comparing case options.
Common Buyer Questions
Which motherboard sizes fit this case?
Mini-ITX, Micro-ATX and Standard ATX motherboards are supported.
How tall can the CPU cooler be?
CPU coolers up to 165mm high are supported.
How long can the graphics card be?
Graphics cards up to 410mm long are supported.
What radiator sizes are supported?
The front supports up to a 360mm radiator, the top up to a 240mm radiator, and the rear supports a 120mm radiator.
Final Buying View
The MasterBox MB511 is a clear choice if you want an ATX case with mesh airflow features, a transparent side panel and stated clearance for larger core components. Compare the motherboard, cooler, GPU and PSU measurements with your build before you choose it.
















