ASUS has listed the Prime AP304 ATX case on its official website, bringing a familiar design language to a larger form factor. This release matters to builders who prefer the 'Spirit Island' aesthetic introduced with the smaller M-ATX Prime AP202 but need more space for standard ATX components. The new chassis offers a dedicated solution for those seeking a specific visual style without compromising on internal volume.

Continues Spirit Island aesthetic with curved glass and 420mm GPU clearance
The Prime AP304 centers its architecture around a patented floating panoramic structure that separates the upper and lower compartments. This design creates a distinct intake channel between the sections to manage airflow and visual presentation. Users building with this case will find a layout that prioritizes the display of internal components through this engineered separation.
Specifications
- Form Factor: ATX
- GPU Clearance: 420mm
- Window Material: Seamless curved tempered glass
- Fan Configuration: Standard (no fans) or ARGB (4 pre-installed fans)
- Design Feature: Floating panoramic structure
Internal clearance supports GPUs up to 420mm in length, accommodating high-end graphics cards within the ATX footprint. The case features seamless curved tempered glass panels that wrap around the viewing area. Installation is simplified by easy-to-remove rail structures that allow for straightforward component mounting.
ASUS offers two configuration options for the Prime AP304 to suit different cooling preferences. The standard version ships without pre-installed fans but retains ARGB lighting strips for illumination. The ARGB version includes four pre-installed fans to provide immediate airflow for the chassis.
The Prime AP304 continues the design lineage of the Spirit Island series while expanding to the ATX standard. It provides a clear choice between passive and active cooling configurations for builders. The case is now available for purchase through ASUS channels.



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