Discover Hidden Potential
The ASUS A21 is a PC case crafted for minimalist mainstream DIY PC builders, with support for a variety of AIO coolers and graphics cards, and plenty of airflow potential to keep things running smoothly.
Broad Compatibility
Despite being a micro-ATX case, the A21 still supports up to 360 mm radiators, graphics cards up to 380 mm in length and CPU air coolers up to 165 mm in height, giving builders plenty of options to assemble their next PC.
Support
360 mm
- Radiator
380 mm
- Graphics Card Length
165 mm
- CPU Cooler Height
Capable Cooling
The front-panel mesh of the A21 is 40% porous to maximize the balance of airflow and RGB visibility. Users can add up to three 120 mm fans to this section of their build to solidly manage system temperatures.
Ample Cable Management
The A21 provides a compartment behind the motherboard that is 33 mm wide to help you 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.
- General Information
- Manufacturer
- ASUS Computer International
- Manufacturer Website Address
- http://www.asus.com/au
- Brand Name
- Asus
- Product Type
- Gaming Computer Case
- Technical Information
- Motherboard Supported
- Micro ATX
- Mini ITX
- Number of Fans Supported
- 7
- Fan Supported Details
Cooling Support (Front)
- 3 x 120 mm
- 2 x 140 mm
Cooling Support (Top)
- 3 x 120 mm
- 2 x 140 mm
Cooling Support (Rear)
- 1 x 120 mm
- Fan Size Supported
- 120 mm
- 140 mm
- Features
- Cable Management
- Dust Filter
- Window Panel
- Yes
- Window Panel Location
- Side Panel
- Bays
- Number of Internal 2.5" Bays
- 1
- Number of Internal 2.5"/3.5" Bays
- 2
- I/O Expansions
- Total Number of Expansion Slots
- 5
- Interfaces/Ports
- Total Number of USB Ports
- 2
- USB Port Details
- 2 x USB 3.2 Gen 1
- Total Number of Audio In Ports
- 1
- Front Audio In
- Yes
- Total Number of Audio Out Ports
- 1
- Front Audio Out
- Yes
- Microphone
- Yes
- Physical Characteristics
- Color Family
- Black
- Product Color
- Black
- Product Material
- Mesh
- Tempered Glass
- Cooler Type
- Fan Cooler
- Maximum CPU Cooler Height
- 165 mm
- Maximum PSU Length
- 210 mm
- Maximum GPU Length
- 380 mm
- Height
- 465 mm
- Width
- 220 mm
- Depth
- 430 mm
- Weight (Approximate)
- 7.30 kg