Cooler Master MasterBox Q300L Micro-ATX PC Case - Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black

Name: Cooler Master MasterBox Q300L Micro-ATX PC Case - Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
Brand: Cooler Master
SKU: awhd-us-b0785grmpg
Price: 34.03 USD
Availability: InStock

Brand: Cooler Master

Condition: Used - Very Good

$34⁰³

$44⁹⁹

-25% Save $10⁹⁶

Updated: 1 hour 40 mins ago

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Description

• Ample Interior: Explore ample interior space for Micro-ATX or Mini-ITX motherboards, ensuring easy and future expansion

• Components Clearance: Accommodates CPU coolers with a max height of 159mm, GPU cards up to 360mm, and PSU up to 160mm in length.

• Versatile Cooling: Maximize cooling performance with a 240mm liquid cooler and 5 fans.

• Modular I/O Panel: You have the flexibility to adjust its position at the front, top, or bottom on both sides

• Edge-To-Edge Panel: Show off your meticulous build through the transparent side panel with pride.

• Open Thermal Design: The perforated design on all sides promotes optimal airflow and heat dissipation

• Magnetic Dust Filters: The unique pattern of the dust filter adds a distinctive appearance to the case.

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Product Details

SKU:: awhd-us-b0785grmpg
Model:: MCB-Q300L-KANN-S00
Country:: US
ASIN:: B0785GRMPG
GTIN:: 00884102038006
UPC:: 884102038006

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $11 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Cooler Master products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.