ASUS A21 PLUS White Micro-ATX Case (Tempered Glass, 4x ARGB Fans)

ASUS A21 PLUS | Micro-ATX Case with ARGB Fans

The ASUS A21 PLUS White is a compact micro-ATX case built for high-performance builds, supporting up to 360 mm radiators and 380 mm graphics cards. Designed with clean cable management and hidden-connector motherboard support, it comes with four pre-installed ARGB fans and a sleek white finish.

Key Specifications

High-Airflow Cooling with ARGB Fans

The A21 PLUS White features four pre-installed ARGB fans—three in the front and one at the rear—delivering excellent airflow for sustained cooling performance. With support for radiators up to 360 mm in the front and 280 mm on top, this case is ideal for liquid cooling setups that demand both aesthetics and thermal efficiency.

Compact Yet Spacious Interior

Despite its compact footprint (220 x 430 x 465 mm), the A21 PLUS White supports full-length graphics cards up to 380 mm, making it suitable for high-end gaming and workstation builds. The internal layout accommodates standard ATX PSUs up to 210 mm long and CPU coolers up to 165 mm tall, ensuring compatibility with most mainstream hardware.

Versatile Storage and Expansion Options

This case offers support for both 2.5″ and 3.5″ drives, with a dedicated HDD/SSD combo cage included. Five expansion slots allow for multiple GPU or add-in card configurations, while the clean internal design helps maintain optimal airflow and easy cable routing.

Box Contents

• ASUS A21 PLUS White case
• 3x 120 mm ARGB front fans
• 1x 120 mm ARGB rear fan
• Mounting hardware and screws
• User manual

Check Before You Buy

• Confirm your motherboard fits micro-ATX or Mini-ITX form factors.
• Verify your GPU length does not exceed 380 mm.
• Ensure your CPU cooler height is within 165 mm.
• Check that your PSU length is under 210 mm.

Buyer FAQs

The bottom line

The ASUS A21 PLUS White is an excellent choice for builders seeking a compact yet capable micro-ATX case with strong cooling potential and modern aesthetics. Its support for large radiators, full-length GPUs, and ARGB lighting makes it ideal for gaming and content creation systems. Covered by the applicable manufacturer warranty.