Asus A21 Case
Black - Mesh, Tempered Glass - Micro ATX, Mini ITX Motherboard Supported - 7 x Fan(s) Supported - 1 x Internal 2.5" Bay - 2 x Internal 2.5"/3.5" Bay(s) - 5x Slot(s) - 2 x USB(s) - 2 x USB 3.2 Gen 1 - 1 x Audio In - 1 x Audio Out - Fan Cooler
- SKU
- A21 ASUS CASE/BLK
- Category
- Computer Cases
$80.37
Back ordered — ships when restocked.
Genuine ASUS Computer International through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
- SKU
- A21 ASUS CASE/BLK
- Category
- Computer Cases
Overview
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.
Specifications
| Product Type | Gaming Computer Case |
|---|---|
| Manufacturer Part Number | A21 ASUS CASE/BLK |
| Motherboard Supported | Micro ATX, Mini ITX |
| Weight (Approximate) | 16.09 lb |
| Features | Cable Management, Dust Filter |
| Manufacturer | ASUS Computer International |
| Microphone | Yes |
| Product Model | ASUS A21 Case |
| Product Name | A21 Case |
| Brand Name | Asus |
| Cooler Type | Fan Cooler |
| Height | 18.3" |
| Width | 8.7" |
| Depth | 16.9" |
| Number of Fans Supported | 7 |
| Number of Internal 2.5" Bays | 1 |
| Front Audio In | Yes |
| Front Audio Out | Yes |
| Total Number of USB Ports | 2 |
| Fan Size Supported | 4.72", 5.51" |
| Total Number of Audio In Ports | 1 |
| Total Number of Audio Out Ports | 1 |
| Total Number of Expansion Slots | 5 |
| Number of Internal 2.5"/3.5" Bays | 2 |
| Product Color | Black |
| Maximum CPU Cooler Height | 6.50" |
| Maximum PSU Length | 8.27" |
| Color Family | Black |
| Product Material | Mesh, Tempered Glass |
| USB Port Details | 2 x USB 3.2 Gen 1 |
| Maximum GPU Length | 14.96" |
| Window Panel | Yes |
| Window Panel Location | Side Panel |
More Computer Cases from ASUS Computer International
View the ASUS Computer International catalog →- ASUS Computer InternationalAsus Prime Computer Case - Black - Mesh - 3 x Bay - 1 x 120mm Fan(s) Installed - 1200 W - Mini ITX, Micro ATX, ATX Motherboard Supported - 4 x Fan(s) Supported - 2 x Internal 2.5" Bay - 1 x Internal 2.5"/3.5" Bay(s) - 7x Slot(s) - 3 x USB(s) - 2 x USB 3.2 Gen 2x2 Type C, 2 x USB 3.2 Gen 1 - 1 x Audio In - 1 x Audio Out - Fan CoolerPRIME AP303 MESH BLACK
$119.66
Back ordered - ASUS Computer InternationalAsus ProArt PA401 Wood Edition Beige - Tempered Glass Panel - Mid-tower - Beige - Tempered Glass, Metal, Ash Wood - 4 x Bay - 2 x 160mm, 1 x 120mm Fan(s) Installed - ATX Motherboard Supported - 2 x Internal 2.5" Bay - 2 x Internal 2.5"/3.5" Bay(s) - 7x Slot(s) - 3 x USB(s) - 2 x USB 3.2 Gen 1, 1 x USB 3.2 Gen 2x2 Type C - 1 x Audio In - 1 x Audio Out - Fan/Liquid CoolerPROART PA401 WOOD TG PWM BEIGE
$145.77
Back ordered
Get a ASUS Computer International quote
Send a bill of materials or part numbers — we confirm stock, TAA country of origin and a below-market total. No payment up front.