Cooler Master

Cooler Master MasterBox MB511 ARGB ATX Mid-Tower with Three 120mm ARGB Fans

Name: Cooler Master MasterBox MB511 ARGB ATX Mid-Tower with Three 120mm ARGB Fans, Fine Mesh Front Panel, Mesh Side Intakes, Tempered Glass & ARGB Lighting
Brand: Cooler Master
SKU: B07H4V9T9R

Status: Cooler Master MasterBox MB511 ARGB ATX Mid-Tower…: Unavailable on Amazon as of 2026-10-20 16:14 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The Cooler Master MasterBox MB511 ARGB ATX Mid-Tower: Three 120mm ARGB fans pre-installed, no separate fan purchase; main trade-off: mesh front trades noise damping for airflow, so fans are audible.

Unavailable on Amazon as of 2026-10-20 16:14 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: Cooler Master MasterBox 540 ARGB ATX Mid-Tower… — $278.00 on Amazon as of 2026-10-21 10:22 UTC (price may vary).

View Current Price — $278.00

Similar: Cooler Master TD500 Mesh White Airflow ATX… — $207.49 on Amazon as of 2026-10-20 16:15 UTC (price may vary).

View Current Price — $207.49

Similar: RAIDMAX V ARGB ATX Mid Tower Gaming Bundle — $99.99 on Amazon as of 2026-10-20 22:12 UTC (price may vary).

View Current Price — $99.99

Original listing (currently unavailable) → Compare to similar pc cases

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ Three 120mm ARGB fans pre-installed, no separate fan purchase
✓ Full Fine Mesh front panel feeds cool air straight to the GPU
✓ Mesh side intakes add a second cool-air path to the CPU cooler
✓ Built-in ARGB lighting control syncs the fans without a controller

Cons

✗ Mesh front trades noise damping for airflow, so fans are audible
✗ Three fans are intakes only; exhaust fans cost extra
✗ Tempered glass panel shows every cable, so routing must be tidy
✗ Mesh filters need regular cleaning in dusty rooms

Manufacturer description

Mesh front panel Performance intake Rgb LED fans

SpecPicks Verdict

SpecPicks scored Cooler Master MasterBox MB511 ARGB ATX Mid-Tower using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. Cooler Master's pc cases lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How many fans come with the MasterBox MB511 ARGB?

Three 120mm ARGB fans ship pre-installed, so you get a working intake setup and synced lighting out of the box.

Does the MB511 ARGB fit a standard ATX motherboard?

Yes, it is a mid-tower ATX case. Confirm the full supported board list and clearance figures on the product listing before you buy.

Is the MasterBox MB511 ARGB good for airflow?

It is designed around airflow: a full Fine Mesh front panel, aggressive front intakes, mesh side intakes, and top-panel ventilation for a second exhaust path.

Do I need a separate ARGB controller for the fans?

No. Cooler Master includes an ARGB lighting control system, so the three pre-installed fans sync without additional hardware.

Key Features

Mesh front panel
Performance intake
Rgb LED fans
Rgb lighting control
Cooling support

Full Specifications

Size	ATX Mid-Tower
Brand	Cooler Master
Color	ATX Mid-Tower ARGB
Model	MCB-B511D-KGNN-RGB
Warranty	1 year
UnitCount	1
ReleaseDate	2019-04-01T00:00:01Z
Manufacturer	Cooler Master USA, Inc.
ItemPartNumber	MCB-B511D-KGNN-RGB
Full listing title	Cooler Master MasterBox MB511 ARGB ATX Mid-Tower with Three 120mm ARGB Fans, Fine Mesh Front Panel, Mesh Side Intakes, Tempered Glass & ARGB Lighting System

Ready to buy?

Amazon shows no buyable offer for Cooler Master MasterBox MB511 ARGB ATX Mid-Tower… at the last check. A similar in-stock product is Cooler Master MasterBox 540 ARGB ATX Mid-Tower…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $278.00