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Cooler Master MasterBox K501L - ATX PC Case with Angled Ventilation, Red LED Illumination, Transparent Side Panel, Flexible Air Flow Configurations
Cooler Master

Cooler Master MasterBox K501L

Bottom line: The Cooler Master MasterBox K501L is a specs-and-price decision rather than a crowd-consensus one in the pc cases category, priced around $1042.06 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$1042.06

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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.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Backed by Cooler Master's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

SpecPicks Verdict

SpecPicks scored Cooler Master MasterBox K501L 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.

Key Features

  • ANGLED VENTILATION - The sharp angled front panel ventilation combined with menacing red LED lighting glows through the front and I/O panel.
  • EDGE-TO-EDGE TRANSPARENT SIDE PANEL - Showcase your build through the lightweight acrylic side panel.
  • MULTIPLE FAN AND RADIATOR CONFIGURATIONS - Front: 3 x 120mm, 2 x 140mm* fans, and up to a 360mm radiator with a maximum thickness of 50mm excl. fans. Top: 2 x 120/140mm fans and radiator up to 240mm. Rear: 1 x 120mm fan and radiator.
  • EXPANDING THE POSSIBILITIES - Spacious interior layout accommodates standard form factor ATX motherboards for gaming needs (Mini-ITX, Micro-ATX, Standard ATX).
  • VERSATILE COMPONENTS CLEARANCE - The MasterBox K500L supports CPU-Coolers up to a height of 165mm, Graphic Cards up to a length of 360mm (410mm excl. radiator), and Power Supplies up to a length of 200mm (390mm excl. radiator/HDD).

Full Specifications

Full listing titleCooler Master MasterBox K501L - ATX PC Case with Angled Ventilation, Red LED Illumination, Transparent Side Panel, Flexible Air Flow Configurations

Ready to buy?

Cooler Master MasterBox K501L - ATX PC Case with Angled Ventilation, Red LED Illumination, Transparent Side Panel, Flexible Air Flow Configurations is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $1042.06

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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