Description
ASUS Prime A21 Clear Tempered Glass Mesh Steel White Micro-ATX YTX Mid-Tower Desktop Chassis
90DC00H3-B09010
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. A21 supports up to 360mm radiators, graphics cards up to 380mm in length and CPU air coolers up to 165mm in height. The front-panel mesh is 40% porous to maximise the balance of airflow, dust filtering and RGB visibility – and a 33mm wide compartment is provided behind the motherboard that keeps your wiring tucked away neat and tidy.
Broad Compatibility
MANY COOLING OPTIONS
Despite being a micro-ATX case, the A21 still supports up to 360mm radiators, graphics cards up to 380mm in length and CPU air coolers up to 165mm in height, giving builders plenty of options to assemble their next PC.
Keeps Temperatures to a Minimum
CAPABLE COOLING
The front-panel mesh of the A21 is 40% porous to maximise the balance of airflow and RGB visibility. Users can add up to three 120mm fans to this section of their build to solidly manage system temperatures.40% Porosity
Ample Cable Management
FOR A TIDIER SYSTEM
The A21 provides a compartment behind the motherboard that is 33mm wide to help you keep your wiring tucked away and tidy.
Colour-Coordinated Builds
COMPLIMENT YOUR SPACE
Both variants of the A21 come with colour-coordinated black or white internal I/O cables to compliment your build theme.
| SPECIFICATIONS | |
| Brand | ASUS |
| Series | Prime Chassis Series |
| Model | Prime A21 White (90DC00H3-B09010) |
| Physical Details | |
| Colour | White |
| Materials | Steel |
| Plastic | |
| Tempered Glass | |
| Side Panel | Clear Tempered Glass Side Panel |
| Front I/O | 2x Front-Panel USB 5Gb/s Type-A Ports |
| 2x 3.5mm Combination Audio Jacks (Headphone, Microphone) | |
| Motherboard Support | Supports Micro-ATX, Mini-ITX Motherboards |
| Supports ASUS BTF YTX Reverse Motherboards | |
| Expansion Slots | 5x PCI Slots |
| Drive Bays | 2x 2.5″/3.5″ HDD Drive Bays |
| 1x 2.5″ Drive Bay | |
| PSU Support | ATX |
| Dimensions | 465 × 220 × 430mm (D x W x H) |
| Weight | 7.3kg |
| Pre-Installed Fans | |
| Front | N/A |
| Top | N/A |
| Rear | N/A |
| Fan Support | |
| Front | 3x 120mm Fans or 2x 140mm Fans |
| Top | 3x 120mm Fans or 2x 140mm Fans |
| Rear | 1x 120mm Fan |
| Radiator Support | |
| Front | 120mm, 140mm, 240mm, 280mm, 360mm Radiator |
| Top | 120mm, 140mm, 240mm, 280mm, 360mm Radiator |
| Rear | 120mm Radiator |
| Clearance | |
| CPU Cooler Height Limitation | 165mm |
| GPU Length Limitation | 380mm |
| Cable Management | Yes, 33mm motherboard tray clearance |
| PSU Length Limit | Up to 210mm |
| General | |
| Dust Filters | Yes, Front, Top, Bottom PSU dust filters (not removable) |
| Chassis Lighting | N/A |
| Reverse Motherboard Compatibility | ASUS TUF Gaming B760M-BTF WIFI D4 |
| NOTE: Reverse motherboards are not compatible with convention chassis. | |
| Warranty Information | |
| Warranty | 3 Year Warranty |








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