WJ Coolman A20 Mid-Tower Gaming Chassis — Black

The A20 is a showcase‑style ATX gaming case built for high‑end rigs, combining a tall panoramic glass design with aggressive airflow and bold ARGB lighting accents. It supports ATX, m‑ATX, and ITX motherboards and fits GPUs up to 420 mm, making it ideal for current flagship graphics cards and performance CPUs with large coolers or 280/360 mm liquid radiators. With room for nine 120 mm fans and a dual‑chamber SPCC steel layout, it keeps heat away from critical components while giving you a clean view of your hardware through the side panel and front light strips. Front USB 3.0 and USB 2.0 ports plus dedicated HDD and SSD mounts round it out as a strong choice for enthusiast gaming, streaming, or creator builds.

Key Features

• Supports ATX, m‑ATX, and ITX motherboards for flexible build options.​

• GPU clearance up to 420 mm for ultra‑high‑end graphics cards.​

• Supports 280 mm and 360 mm water‑cooling radiators for advanced liquid cooling.​

• Up to nine 120 mm fan mounts for high airflow and cooling potential.​

• Front I/O: USB 3.0 x1, USB 2.0 x1, plus standard audio for easy connectivity.​

• Seven PCI expansion slots for graphics, capture, and other add‑in cards.​

• SPCC steel frame with separate mounts for 1x 3.5″ HDD and 1x 2.5″ SSD.​

• Tall, glass‑fronted design with RGB fan/radiator zones ideal for display builds.​

Technical Specifications