ASUS A21 Mid-Tower Case (Black)

₹4,899

MRP ₹7,999 (incl. of all taxes)

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The ASUS A21 is a PC case designed for minimalist mainstream DIY PC builders. It offers a clean, organized build with ample space for cooling and cable management.

Full specifications ↓

Highlights

Supports up to 360 mm radiators for efficient cooling.
Front-panel mesh is 40% porous for better airflow and RGB visibility.
Provides a 33 mm wide cable management compartment behind the motherboard.
Includes color-coordinated black or white internal I/O cables.
Supports graphics cards up to 380 mm in length.
Supports CPU air coolers up to 165 mm in height.
Allows up to three 120 mm fans on the front-panel for temperature control.

Specifications

Broad Compatibility	A21 supports up to 360 mm radiators, graphics cards up to 380 mm in length and CPU air coolers up to 165 mm in height.
Capable Cooling	The front-panel mesh is 40% porous to maximize the balance of airflow, dust filtering and RGB visibility.
Ample cable management	The A21 provides a compartment behind the motherboard that is 33 mm wide to keep your wiring tucked away and tidy.
Color-coordinated builds	Both variants of the A21 come with color-coordinated black or white internal I/O cables to compliment your build theme.
Radiator	360 mm
Graphics Card Length	380
CPU Cooler Height	165
Front-panel mesh porosity	40%
Cable management compartment width	33 mm

Who should buy it

This case is ideal for builders who want a clean, minimalist setup with good airflow and cable management. It may not suit those needing a larger case for bigger components.

Compatibility

The ASUS A21 is a micro-ATX case that supports up to 360 mm radiators, graphics cards up to 380 mm in length, and CPU air coolers up to 165 mm in height.

micro-ATX case
supports up to 360 mm radiators
graphics cards up to 380 mm in length
CPU air coolers up to 165 mm in height

Frequently asked questions

What is the maximum radiator size supported by the ASUS A21 case?

The ASUS A21 supports up to 360 mm radiators.

What is the maximum graphics card length supported by the ASUS A21 case?

The ASUS A21 supports graphics cards up to 380 mm in length.

What is the maximum CPU cooler height supported by the ASUS A21 case?

The ASUS A21 supports CPU air coolers up to 165 mm in height.

What is the porosity of the front-panel mesh on the ASUS A21 case?

The front-panel mesh of the ASUS A21 is 40% porous.

How wide is the cable management compartment behind the motherboard in the ASUS A21 case?

The cable management compartment behind the motherboard is 33 mm wide.

Does the ASUS A21 case come with color-coordinated internal I/O cables?

Yes, both variants of the A21 come with color-coordinated black or white internal I/O cables.

What is the maximum number of 120 mm fans that can be added to the front-panel of the ASUS A21 case?

Users can add up to three 120 mm fans to the front-panel.

What is the form factor of the ASUS A21 case?

The ASUS A21 is a micro-ATX case.

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Specifications

Brand	ASUS
Category	PC Cabinet
Model / MPN	A21
Broad Compatibility	A21 supports up to 360 mm radiators, graphics cards up to 380 mm in length and CPU air coolers up to 165 mm in height.
Capable Cooling	The front-panel mesh is 40% porous to maximize the balance of airflow, dust filtering and RGB visibility.
Ample cable management	The A21 provides a compartment behind the motherboard that is 33 mm wide to keep your wiring tucked away and tidy.
Color-coordinated builds	Both variants of the A21 come with color-coordinated black or white internal I/O cables to compliment your build theme.
Radiator	360 mm
Graphics Card Length	380
CPU Cooler Height	165
Front-panel mesh porosity	40%
Cable management compartment width	33 mm
Condition	New, sealed box
Warranty	Manufacturer warranty · details
Invoice	GST tax invoice (input credit available)
Delivery	Insured shipping to every serviceable pin code in India