I see this will fit 280mm CPU liquid coolers. Will a 240mm work as well? Will the mounting holes line up?

Radiator Support - Front 120/140 mm (240/280mm w/ PSU in bottom) Radiator Support - Top 120/140/240/280mm (280mm can be used within 53mm thickness) Radiator Support - Rear 120mm Radiator Support - Bottom 120/140/240/280mm Radiator Support - Left side 120/140/240/280mm

Are there any issues with panel fitment on this case?

i had some minor issues with panel assembly but the major problems I had were with the assembly instructions. Took me almost 2 days to assemble the case. While I like the case once assembled, probably would not buy this case again.

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Main image of Cooler Master QUBE 500 Flatpack Black Small High Airflow Mid-Tower ATX Customizable Gaming PC Case, Tempered Glass, Vertical GPU Mount, USB-C, Carrying Handle, Gem Mini (Q500-KGNN-S00)

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Cooler Master QUBE 500 Flatpack Black Small High Airflow Mid-Tower ATX Customizable Gaming PC Case, Tempered Glass, Vertical GPU Mount, USB-C, Carrying Handle, Gem Mini (Q500-KGNN-S00)

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Highly Customizable: Experience an unparalleled level of customizability to express your creativity.
Fully Modular: Enjoy modular panels that simplify case prep. Each panel is individually removable, making maintenance a breeze.
Full-Sized Specs, Pint-Sized Body: Despite its compact 33L size, it accommodates Mini-ITX to E-ATX for easy installation and future expansion.
Components Clearance: Maximum supports CPU coolers up to 164mm, GPUs up to 365mm, and PSUs up to 332mm.
Versatile Cooling: Stay ahead with versatile mounting options for a 280mm liquid cooler and up to 9 fans for optimal performance.
USB 3.2 Gen 2x2 Type C: Integrated in the I/O panel is a USB 3.2 Type-C port.
Edge-To-Edge Tempered: Display your build with pride through the thick tempered glass panel.

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

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Model
Brand	Cooler Master
Model	Q500-KGNN-S00

Details
Type	ATX Mid Tower
Color	Black
Case Material	Exterior: Steel, Plastic, TG Left Side Panel: Grey TG + Steel
Motherboard Compatibility	ITX / Micro ATX / ATX / E-ATX (Width up to 296mm w/ SFX PSU, up to 273 w/ ATX PSU)

Expansion
Internal 3.5" Drive Bays	Max. 4x 3.5” HDD
Internal 2.5" Drive Bays	Max. 3x 2.5” SSD
Expansion Slots	7

Front Panel Ports
Front Ports	2 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 2x2 Type-C, 1 x Audio, Fans/Lighting: Fan Speed Control Button, ARGB Control Button

Cooling System
Fan Options	Front: 120/140mm x 1 (x2 if PSU is mounted in bottom) Top: 120/140mm x 2 Rear: 120mm x 1 Bottom: 120/140mm x 2 Left side: 120/140mm x 2 Pre-installed Fan(s): Rear: 120mm x 1 (1800 rpm) SF Black PWM
Radiator Options	Front: 120/140 mm (240/280mm w/ PSU in bottom) Top: 120/140/240/280mm (280mm can be used within 53mm thickness) Rear: 120mm Bottom: 120/140/240/280mm Left side: 120/140/240/280mm

Dimensions & Weight
Max GPU Length	365 mm
Max CPU Cooler Height	164mm~172mm (Remove the water cooling bracket)
Max PSU Length	173mm to first GPU slot, 216 maximum space (w/o cable management space) 332mm space mounted in bottom (w/o cable management space)
Dimensions	18.11 x 9.09 x 16.33"
Weight	17.19 lbs.

Additional Info
Features	Introducing the all-new Qube 500, a highly customizable flatpack case from Cooler Master that sets your creativity and personal style free.The QUBE 500 comes flat packed and disassembled, designed to offer a fun, easy, and satisfying build experience that starts from scratch. Plus, The Qube 500's innovative packaging greatly reduces its transportation carbon footprint and overall environmental costs. From dual 280mm radiator slots and 8 fan locations to EATX support, this case has all you need for a moder build all at a super compact size of just 33L. Other info: Dimensions(L x W x H): Incl. Protrusions: 406 x 231 x 415mm/18.11 x 9.09 x 16.33 Excl. Protrusions 380 x 231 x 381mm/14.96 x 9.09 x 15.00 Volume (Liters Excl. Protrusions): 33.44 L Clearances: CPU Cooler: 164mm~172mm (Remove the water cooling bracket) Power Supply: 173mm to first GPU slot, 216 maximum space (w/o cable management space), 332mm space mounted in bottom (w/o cable management space) Graphics Card: 365mm Cable Routing space: Behind MB Tray: 29~32mm Gem Mini: Black x 1 Accessory Hook: Black x 1 Power Supply Support: Front, Top, Bottom, Right side Dust Filters: N/A

Additional Information
First Listed on Newegg	September 30, 2023

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Warranty

Limited Warranty period (parts): 2 years
Limited Warranty period (labor): 2 years
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Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Newegg.com's 30-Day Return Policy.
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Cooler Master QUBE 500 Flatpack Black Small High Airflow Mid-Tower ATX Customizable Gaming PC Case, Tempered Glass, Vertical GPU Mount, USB-C, Carrying Handle, Gem Mini (Q500-KGNN-S00)

Learn more about the Cooler Master Q500-KGNN-S00

Customer Reviews of the Cooler Master Q500-KGNN-S00

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16811119445

Cooler Master QUBE 500 Flatpack Black Small High Airflow Mid-Tower ATX Customizable Gaming PC Case, Tempered Glass, Vertical GPU Mount, USB-C, Carrying Handle, Gem Mini (Q500-KGNN-S00)

Learn more about the Cooler Master Q500-KGNN-S00

Customer Reviews of the Cooler Master Q500-KGNN-S00

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info