Cooler Master MasterBox MB511 ATX PC Case, Front Mesh Panel, Transparent Side Panel, Red Accent

£69.00 (as of 08/23/2026 04:00 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

Cooler Master MasterBox MB511 is an ATX PC case with a front mesh panel, transparent acrylic side panel and red accent. It supports Mini-ITX, Micro-ATX and Standard ATX motherboards, with stated clearance for CPU coolers up to 165mm, graphics cards up to 410mm and power supplies up to 180mm.

SKU: B07CYBQWYQ Category:

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

DetailVerified information and buyer relevance
Brand and modelCooler Master MasterBox MB511, making the exact case easy to identify.
Product typeATX PC case with a front mesh panel and transparent side panel.
Front panelFine mesh front panel for airflow-focused front intake.
Side panelEdge-to-edge transparent acrylic side panel for showing the build.
Motherboard supportMini-ITX, Micro-ATX and Standard ATX motherboards are supported.
CPU cooler clearanceUp to 165mm height, so cooler size should be checked before fitting.
Graphics card clearanceUp to 410mm length, which is important when checking GPU fit.
Power supply clearanceUp to 180mm length, so PSU size should be confirmed before purchase.
Fan and radiator supportFront 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.

Brand

Cooler Master

Manufacturer

Cooler Master Europe B.V.

Binding

Personal Computers

Model

MCB-B511D-KANN-S00

Color

Red

Width

8.543307 Inches

Height

18.4252 Inches

Length

19.52756 Inches

Item Weight

14.22 Pounds

Size

MB511

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