Asus A21 Plus ARGB M ATX Micro Tower Case

Looking for a compact yet powerful case? The Asus A21 Plus ARGB M ATX Micro Tower Case offers a blend of style and functionality, perfect for building a high-performance Micro-ATX system. Designed with efficient cooling and modern aesthetics in mind, this case is an excellent choice for gamers and PC enthusiasts alike.
Overview
The Asus A21 Plus ARGB M ATX Micro Tower Case is a Micro-ATX compatible case designed for optimal airflow and a sleek look. Its compact design doesn’t compromise on features, making it ideal for space-conscious setups.
Tech Specs
- Model: Asus A21 Plus ARGB M ATX Micro Tower Case
- Motherboard Support: Micro-ATX, Mini-ITX, BTF motherboard compatible
- Drive Bays: 1 x 2.5″ Bay, 2 x 2.5″/3.5″ Combo Bay
- Expansion Slots: 5
- Front I/O Port: 1 x Headphone, 1 x Microphone, 2 x USB 3.2 Gen1
- Radiator Support (Front): 120mm, 140mm, 240mm, 280mm, 360mm
- Radiator Support (Top): 120mm, 140mm, 240mm, 280mm, 360mm
- Radiator Support (Rear): 120mm
- Cooling Support (Front): 3 x 120mm, 2 x 140mm
- Cooling Support (Top): 3 x 120mm, 2 x 140mm
- Cooling Support (Rear): 1 x 120mm
- Pre-installed Fans (Front): 3 x 120mm, ARGB
- Pre-installed Fans (Rear): 1 x 120mm, ARGB
- Maximum CPU Cooler Height: 165mm
- Maximum GPU Length: 380mm
- Maximum PSU Length: 210mm
- Dimensions: 220mm x 430mm x 465mm
- Weight: 8.1 Kg
- BTF motherboard compatible: Yes
Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
PCB color and bundled software versions are subject to change without notice.
Brand and product names mentioned are trademarks of their respective companies.
The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
Categories
Cases
Motherboards / Components
ASUS
Asus A21 Plus ARGB M ATX Micro Tower Case
Explore our wide selection of PC cases here.
See more motherboards here.
Browse all our components here.


Sandisk Extreme PRO 2TB With USB4 External Solid State Drive SSD
Western Digital Black SN7100 4TB M2 2280 PCIe Gen 4 Nvme Internal Solid State Drive SSD
Seasonic G12 GC-850 850W 80 Plus Gold Smart And Silent Fan Power Supply
Aorus Master 16 BYH - Intel Core Ultra 9 275HX - 32GB DDR5 - 1TB NVMe Gen5 SSD - RTX 5080 16GB - 16 Inch OLED WQXGA 240Hz 1Ms Display - Thunderbolt 5 - WIFI 7 - Advanced Optimus - RGB Keyboard - Windows 11 Pro - Dark Tide Gaming Laptop
Gigabyte GeForce RTX 5060 Eagle OC 8GB GDDR7 Graphic Card
Thermal Grizzly Kryonaut 1g Thermal Paste
Thermaltake Toughpower GT Snow 1000W 80 Plus Gold ATX 3.1 Fully Modular White Power Supply
SanDisk Extreme Pro 256Gb SDXC UHS-I Memory Card
Xigmatek Crystal Storm 4 fan PWM Argb Curved TG + Asgard 750W 80+ Bronze Mid Tower Case
Logitech G G515 TKL Tactile Switch Low Profile Black Wired Gaming Keyboard
Hp Victus 16-R1021Nia Core I7-14700HX 16Gb Ram 1TB SSD RTX 4070 8GB-Backlite keyboard - 16.1 FHD IPS 144Hz Blue Gaming Laptop
MSI GeForce RTX 5070 Shadow 2X 12GB GDDR7 OC Graphic Card
Meetion C100 Wired Keyboard And Mouse Combo
AMD Ryzen 7 8700F Tray Processor
MSI MAG 273QP QD-OLED X24 27 Inch 240Hz 0.03ms WQHD QD-OLED Flat Adaptive Sync DisplayHDR True Black 400 Black Monitor
Fantech WK899 Multi Device Wireless Keyboard And Mouse Combo
AMD Ryzen 5 7500X3D Processor
Redragon Cipher GS522 Wired RGB Stereo Gaming Speaker
MSI MPG Coreliquid P13 360MM ARGB LCD Display Liquid CPU Cooler
Western Digital Black SN8100 1TB M2 2280 PCIe Gen 5 Nvme Without Heatsink Internal Solid State Drive SSD
PNY GeForce RTX 5060 OC Dual Fan 8GB GDDR7 Graphic Card
FSP U580 Panoramic TG Back-Connect Support With 7 120mm ARGB PWM Fans Black Ultra Mid Tower Case 































Reviews
There are no reviews yet.