Does it come with screws? Motherboard Standoffs??

Yes, they are included in the case.

Will it support msi proseries b450-a pro max?

Yes as it is matx which means micro atx

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Cooler Master MasterBox Q300L Micro-ATX Tower with Magnetic Design Dust Filter, Transparent Acrylic Side Panel, Adjustable I/O & Fully Ventilated Airflow, Black (MCB-Q300L-KANN-S00)

Cooler Master MasterBox Q300L Micro-ATX Tower with Magnetic Design Dust Filter, Transparent Acrylic Side Panel, Adjustable I/O & Fully Ventilated Airflow, Black (MCB-Q300L-KANN-S00)

Product ID: 253226810

Details

Brand
Cooler Master
Case type
Mini-Tower
Colour
Black
Motherboard compatability
Micro-ATX and
Recommended uses for product
Gaming General

🌀Optimized airflow with magnetic dust filters

🔄6-position adjustable I/O panel

🖼️Edge-to-edge acrylic side panel

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1520.65 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Master your space, flaunt your build.

MODULAR MASTERY - Customize your setup with 6 adjustable I/O panel positions and vertical or horizontal orientation—flexibility that fits your style and space.
SHOW OFF YOUR BUILD - Crystal-clear acrylic side panel offers a full panoramic view of your components, making your rig the centerpiece of any room or stream.
BREATHE EASY GAME HARD - Perforated front, top, and bottom panels combined with magnetic dust filters ensure maximum airflow and dust-free performance for peak cooling.
STEALTH CABLE MANAGEMENT - Extra space behind the motherboard tray lets you hide cables effortlessly, delivering a clean, professional look that screams ‘I know my setup.’
POWER PERFORMANCE READY - Supports Micro-ATX and Mini-ITX motherboards, up to 159mm CPU coolers, 360mm GPUs, and multiple radiator options—compact yet uncompromising.

The Cooler Master MasterBox Q300L is a versatile Micro-ATX mini-tower case featuring a fully adjustable I/O panel, edge-to-edge transparent acrylic side panel, and a magnetic dust filter system for superior airflow. Designed for compact builds without sacrificing performance, it supports large GPUs up to 360mm, CPU coolers up to 159mm, and offers flexible cable management options. Ideal for professionals and gamers seeking a sleek, customizable, and efficient PC case.

Specifications

ASIN	B0785GRMPG
Antenna Location	Gaming, General Computing
Best Sellers Rank	#39,418 in Computers ( See Top 100 in Computers ) #216 in Computer Cases
Brand	Cooler Master
Built-In Media	1 computer case
Case Type	Mini-Tower
Color	Black
Compatible Devices	Micro-ATX and Mini-ITX motherboards, Cooler Master devices
Cooling Method	Fan
Customer Reviews	4.5 4.5 out of 5 stars (13,565)
Enclosure Material	Alloy Steel Plastic
Fan Size	120 Millimeters
Global Trade Identification Number	00884102038006, 00884102095313, 04719512065488
Hard Disk Form Factor	3.5 Inches
Internal Bays Quantity	1
Item Dimensions D x W x H	39.1D x 23W x 38.1H centimeters
Item Type Name	grocery
Item Weight	480 Grams
Manufacturer	Cooler Master
Mfr Part Number	MCB-Q300L-KANN-S00
Model Name	Q300L
Model Number	MCB-Q300L-KANN-S00
Number of Fans	3
Other Special Features of the Product	Magnetic Dust Filters
Power Supply Maximum Output	500 Watts
Power Supply Mounting Type	Bottom Mount
Supported Motherboard	Micro-ATX and Mini-ITX
Total Expansion Slots Quantity	4
Total USB 3.0 Ports	2
Total Usb Ports	2
UPC	884102095313 884102038006

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Good experience, but the tracking updates could be better.

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