Featuring a steel frame and tempered glass side panel, the A21 case features five expansion slots, a 2.5″ drive bay, and two drive bays that fit either 2.5 or 3.5″ drive bays for future additions and storage expansion.
Connectivity
Two USB-A 3.2 Gen 1 ports can be used for peripherals like a mouse and keyboard. The input and output 3.5mm audio jacks allow you to connect headphones and a microphone to your system.
Fan and Radiator Support
To cool your system, this case supports up to three 120mm or two 140mm fans in the front and top panels and a single 120mm fan in the back. For water cooling, radiators up to 360mm can fit in the front or top while the rear can hold a 120mm radiator.
Component Support
This case fits GPUs up to 380mm long, PSUs up to 210mm long, and CPU coolers up to 165mm in height. BTF hidden-connector motherboards are also compatible with this case, and with the 3mm-wide rear compartment, you can maximize clean cable management.
