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Cooler Master · Micro-Tower · Tempered glass

Cooler Master Q300L V2

Mini-ITX, Micro-ATX · Black · USB-C

Quality
62
Quality / price
80
Max GPU
360 mm
Amazon
$70
Cooler Master Q300L V2
View Cooler Master Q300L V2 Gallery in high resolution
$70
Available on Amazon Updated Aug 30, 2026 Prime FBA
Overall quality62.0
Quality / price79.7
Cooling support13
$70 on Amazon Case table Compare this case

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Written analysis

Cooler Master Q300L V2 at a glance

The Cooler Master Q300L V2 is a Micro-Tower chassis with a tempered glass side panel profile. Supported boards: Mini-ITX, Micro-ATX. Primary materials are listed as steel, plastic, and tempered glass.

Overall quality is 62.0, summing compatibility, cooling, storage, build quality, and connectivity. Max GPU length is 360 mm. Max CPU cooler height is 159 mm. Largest radiator support is listed at 240 mm.

Best fit: Performance desktops with long graphics cards and mainstream air or AIO cooling.

Cooling and front I/O

Front ports: 2x USB 3.2 Gen 1 Type A, 1x USB 3.2 Gen 2 x 2 Type C. USB-C is present on the front I/O. Dust filters: Yes.

Current value

At $70, quality / price is 79.7. Compare nearby cases of the same form factor below; clearance and panel type can outweigh a small quality gap.

Chassis data

Full specifications

Construction, clearances, cooling, storage, front I/O, and quality metrics in one technical sheet.

General

Manufacturer
Cooler Master
Case
Cooler Master Q300L V2
Form factor
Micro-Tower
Side panel
Tempered glass
Launch price
—
Amazon price
$70
Amazon availability
Available
Price updated
Aug 30, 2026

Construction

Material
steel, plastic, and tempered glass
Color
Black
Side panel detail
tempered glass
Dimensions
387 x 230 x 383mm
Weight
3.70 kg
PSU shroud
No
RGB lighting
No

Quality & value

Overall quality
62.0
Compatibility
14
Cooling support
13
Storage score
8
Build quality
13
Connectivity
14
Quality / price
79.7

Compatibility / clearances

Motherboard sizes
Mini-ITX, Micro-ATX
Max GPU length
360 mm
Max cooler height
159 mm
Max PSU length
160 mm
PSU form factor
ATX, SFX
PSU included
No

Cooling

Max radiator
240 mm
Fan support
Pre-installed Fans - RearBlack: 1x 120mm, White: 1x 120mm (none LED, white)Fan Support - Top2x 120mmFan Support - Front2x 120/140mmFan Support - Rear1x 120mmFan Support - Bottom1x 120mm
Radiator support
Radiator Support - Front120 / 240mmRadiator Support – Rear120mm
Pre-installed fans
Not specified
Dust filters
Yes

Storage & I/O

Drive bays
5.25" Drive Bays03.5" Drive Bays12.5" Drive Bays2
Expansion slots
4
Front ports
2x USB 3.2 Gen 1 Type A, 1x USB 3.2 Gen 2 x 2 Type C
USB-C
Listed

Additional information

Also listed as
Q300L V2

Amazon

Price history

Nearby quality

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Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

Motherboard Compatibility – Supports Micro-ATX and Mini-ITX motherboards with a spacious interior for easy installation, improved cable management, and future upgrade flexibility.

GPU Compatibility – Supports graphics cards up to 360mm, providing ample room for high-end GPUs and next-gen performance upgrades for gaming or workstation builds.

Versatile Cooling – Equip with a 240mm liquid cooler and up to 5 case fans, ensuring strong airflow, improved heat dissipation, and stable performance during intensive gaming sessions.

Open Thermal Design – The perforated front, top, and bottom design ensures optimal thermal airflow, promoting excellent heat dissipation throughout the system.

Routing Space – With a substantial 28mm of space available behind the motherboard tray, you can effectively manage cables, resulting in a tidy and organized build.

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