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Cooler Master

Cooler Master Qube 500 Flatpack - Mid-Tower ATX PC Case, Fully Modular, 1 x 120 mm Pre-Installed SF Black Rear Fan, Vertical GPU Mount, Supports EATX Motherboard & Dual 280 mm Radiators - Black

Name: Cooler Master Qube 500 Flatpack - Mid-Tower ATX PC Case, Fully Modular, 1 x 120 mm Pre-Installed SF Black Rear Fan, Vertical GPU Mount, Supports EATX
Brand: Cooler Master
SKU: B0CD7ZQ67D
Price: 329.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-15

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$329.99

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View Current Price on Amazon → Compare to similar pc cases

*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: The Cooler Master Qube 500 Flatpack - Mid-Tower ATX PC Case, Fully Modular, 1 x 120 mm Pre-Installed SF Black Rear Fan, Vertical GPU Mount, Supports EATX Motherboard & Dual 280 mm Radiators - Black is a specs-and-price decision rather than a crowd-consensus one in the pc cases category, priced around $329.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

QUBE 500 Flatpack is a fully modular Mid-Tower ATX PC Case that makes extreme customisation possible, offering full-tower capabilities in a mid-tower case. Customise the chassis according to needs and preferences with simple adjustments thanks to versatile capacity, modular design and 3D prints. The design allows for adjustments of panels, handle and side radiator bracket. Features 3 PSU mounts, 4 x 3.5" HDDs and 5 x 2.5" SSD storage options. Included feet offer upright or horizontal positioning for showcasing the system build through the tempered glass panel or for easy access to the…

SpecPicks Verdict

SpecPicks scored Cooler Master Qube 500 Flatpack - Mid-Tower ATX PC Case, Fully… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Cooler Master's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

DIY PC CASE - The award-winning PC case comes in a flat pack, makes extreme customisation possible & fits full-tower features; Modify the case with the included GEM mini cable manager and 3D print custom parts (See more plans on Printables.com)
FULLY MODULAR - Super easy build with swappable panels, handle, side radiator bracket, multiple PSU mounts & storage options; Versatile feet for a standing or laying orientation, enabling easy hardware access & a tempered glass panel showcases the build
HIGH THERMAL PERFORMANCE - The interior supports up to 8 fans (7 x 140 mm + 1 x 120 mm) for air cooling & various radiator options (2 x 280 mm + 1 x 240 mm) for AIO liquid cooling; Includes pre-installed SickleFlow Black 120 mm fan (PWM, 1800 RPM)
IMPRESSIVE CLEARANCES - Accommodates E-ATX (max 296 mm w/SFX PSU), ATX, micro-ATX and ITX motherboards; CPU coolers up to 172 mm in height; Graphics cards (vertical GFX/GPU holder included) up to 365 mm in length; Up to an ATX PSU (173-332 mm in length)
CONNECTIVITY - USB 3.2 Gen 2x2 Type-C port (20 GB/s transfer speed) 2 x USB 3.2 Gen 1 Type-A ports, 1 x audio jack, 1 x Power button; Cleaner cable management with up to 5 spots & 29-32 mm allocated space behind the MB tray

Full Specifications

Brand	Cooler Master
Color	Black
Fan Size	12 centimeters
Material	Tempered Glass
Case Type	Mid Tower
Model Name	Qube 500 Flatpack Black
Unit Count	1 Count
Light Color	Blue
Connectivity	USB
Model Number	Q500-KGNN-S00
Compatibility	PC
Cooling Method	Air
Number of Fans	1
Mfr Part Number	Q500-KGNN-S00
Total Usb Ports	2
Antenna Location	Business, Gaming
Compatible Devices	[IN] Partially inferable, but not exhaustively supplied: ITX/Micro ATX/ATX/E-ATX motherboards, GPUs up to 365mm, SFX and ATX power supplies, and water coolers with specific dimensions.
Enclosure Material	Tempered Glass
Total USB 2.0 Ports	2
Total USB 3.0 Ports	2

Ready to buy?

Cooler Master Qube 500 Flatpack - Mid-Tower ATX PC Case, Fully Modular, 1 x 120 mm Pre-Installed SF Black Rear Fan, Vertical GPU Mount, Supports EATX Motherboard & Dual 280 mm Radiators - Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Price and availability subject to change.