The ASUS A21 micro-ATX case offers support for 360 mm radiators, and 380 mm graphics card, with two color options and clean cable management.
  • 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.
ASUS A21 Case
ASUS A21 White Edition case rear view
AP201 Compact Space, Powerful Performance

ASUS

A21 Case

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.

ASUS A21 PC build glass side panel of the ASUS A21 PC case

Support

  • 360 mm all-in-one cooler icon

    360mm

    Radiator

  • ROG Strix RTX 40 series graphics card icon

    380mm

    Graphics Card Length

  • Tower CPU Cooler icon

    165mm

    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.

Front angle of the ASUS A21 PC build featuring three 120 mm fans

40 % porosity

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.

Rear side of the ASUS A21 PC Case without side panel highlight on the 33 mm wide cable management space of ASUS A21 PC Case

Color-Coordinated Builds

Both variants of the A21 come with color-coordinated black or white internal I/O cables to compliment your build theme.

One black ASUS A21 PC build and one white ASUS A21 PC build
Rear side of ASUS A21 PC Case and its color-matched cables
Anbefalt for deg
ASUS Prime AP201 MicroATX Case
ASUS Prime AP201 MicroATX Case
ASUS Prime AP201 MicroATX Case
0.0 out of 5 stars.


  • Quasi-filter mesh panels
  • Industry-leading spatial efficiency
  • Tool-free side panels
  • 32 mm wide cable-management
  • Front panel USB Type-C® support
ASUS Prime AP201 Tempered Glass MicroATX Case
ASUS Prime AP201 Tempered Glass MicroATX Case
ASUS Prime AP201 Tempered Glass MicroATX Case
0.0 out of 5 stars.


  • Industry-leading spatial efficiency
  • Tool-free side panels
  • 32 mm wide cable-management
  • Front panel USB Type-C® support
  • Color-matched cables
TUF Gaming GT502
TUF Gaming GT502
TUF Gaming GT502
0.0 out of 5 stars.


  • Dual Chamber Chassis
  • Panoramic View
  • Front Panel High-Speed USB Type-C
  • Tool-Free Side Panels
  • Aura Sync
TUF Gaming GT301
TUF Gaming GT301
TUF Gaming GT301
0.0 out of 5 stars.


ASUS TUF Gaming GT301 ATX mid-tower compact case with tempered glass side panel, honeycomb front panel, 120mm AURA Addressable RGB fan, headphone hanger and 360mm radiator support.
Nyeste
ProArt PA602 Wood Edition - Metal Panel
ProArt PA602 Wood Edition - Metal Panel
ProArt PA602 Wood Edition - Metal Panel
0.0 out of 5 stars.


  • žNaturally crafted wood materials with FSC certification
  • Air superiority with massive airflow support
  • Two deflectors provide superior thermal performance
  • Ample space for better compatibility
  • Extensive I/O for quick switch and faster transport
  • Front panel IR Dust Indicator with timely reminders 
  • DIY friendly functions to save more time for build-up
Nyeste
ProArt PA602 Wood Edition - Tempered Glass Panel
ProArt PA602 Wood Edition - Tempered Glass Panel
ProArt PA602 Wood Edition - Tempered Glass Panel
0.0 out of 5 stars.


  • Naturally crafted wood materials with FSC certification
  • Air superiority with massive airflow support
  • Tempered glass side panel unveils personalized essence
  • Ample space for better compatibility
  • Extensive I/O for quick switch and faster transport
  • Front panel IR Dust Indicator with timely reminders 
  • DIY friendly functions to save more time for build-up
Nyeste
ProArt PA602
ProArt PA602
ProArt PA602
0.0 out of 5 stars.


  • žAir superiority with massive airflow support
  • žAmple space for better compatibility
  • žExtensive I/O for quick switch and faster transport
  • žFront panel IR Dust Indicator with timely reminders
  • žDIY friendly functions to save more time for build-up
  • Effortless maneuvering with built-in mobile wheels
TUF Gaming GT502 PLUS
TUF Gaming GT502 PLUS
TUF Gaming GT502 PLUS
0.0 out of 5 stars.


  • Dual Chamber Chassis
  • Panoramic View
  • Front Panel High-Speed USB Type-C
  • Tool-Free Side Panels
  • Aura Sync
TUF Gaming GT501VC
TUF Gaming GT501VC
TUF Gaming GT501VC
0.0 out of 5 stars.


ASUS TUF Gaming GT501VC case supports up to EATX with metal front panel, tempered-glass side panel, 360mm water-cooling radiators space reserved, and USB 3.1 Gen 1
TUF Gaming GT501
TUF Gaming GT501
TUF Gaming GT501
0.0 out of 5 stars.


ASUS TUF Gaming GT501 case supports up to EATX with metal front panel, tempered-glass side panel, 120 mm RGB fan, 140 mm PWM fan, radiator space reserved, and USB 3.1 Gen 1
TUF Gaming GT501 White Edition
TUF Gaming GT501 White Edition
TUF Gaming GT501 White Edition
0.0 out of 5 stars.


ASUS TUF Gaming GT501 White Edition case supports up to EATX with metal front panel, tempered-glass side panel, 120 mm RGB fan, 140 mm PWM fan, radiator space reserved, and USB 3.1 Gen 1
previous image
next image
Relaterte produkter
previous image
next image
comparison icon
(0)