ASUS Prime AP303 - Tempered Glass Panel
Compact Frame. Massive Potential.
The ASUS Prime AP303 is a compact 44-liter ATX chassis that accommodates 360mm radiators up to 60mm thick and graphics cards up to 360mm long. It features a graphics card bracket and holder to keep cards firmly mounted, plus an internal power cable that delivers 15 amperes to maintain stable power delivery for high-end PC builds.
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Compact ATX Case with Max. Capacity
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360mm Graphics Card
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Structural Graphics Card Bracket
ASUS Prime AP303 with mesh side panel overview video
Exceptional Space Efficiency
The AP303 is designed to maximize internal space, enabling installation of graphics cards up to 360mm long, radiators up to 360mm long and ATX power supplies up to 180mm long.
360mm AIO Cooler
60mm clearance for thicker radiators and fans to enhance cooling
ATX Motherboard
180mm ATX PSU
Support for up to 1200-watt ATX power supplies (up to 180mm long)
360mm Graphics Card
Compatible with ASUS graphics cards such as the ROG Astral GeForce RTX™ 5090
*Image for illustration only
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60mm clearance for thicker radiators and fans to enhance cooling
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Support for up to 1200-watt ATX power supplies (up to 180mm long)
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Compatible with ASUS graphics cards such as the ROG Astral GeForce RTX™ 5090
Superior Stability Under Heavy Loads
Alongside the graphics card holder is a graphics card bracket that supports GeForce RTX 50 Series graphics cards from 310mm to 360mm long. It securely mounts the graphics card with screws, reducing sagging and movement.
Graphics Card Bracket
*Image for illustration only
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Side angle of ASUS Prime AP303 with airflow direction
Efficient Cooling
With support for up to 360mm radiators and up to seven fans, the AP303 is primed to deal with the thermal scenarioses of high-performance hardware.
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Quasi-Filter Mesh Panels
Metallic quasi-filter mesh panels are designed to enhance airflow and minimize dust ingress, delivering both performance and protection in a sleek style.
15 AMPERE
Pioneering Cable for High-End Systems
The UL-certified internal power cable delivers 15 amperes of current to ensure stable operation for high-end systems with a 1200W power supply.
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20 Gbps Connectivity
USB Type-C® Support
AP303 includes one 20Gbps Type-C port and two USB 3.0 ports for future-ready and backward-compatible connectivity.
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Unified Front I/O Header
A thoughtful header design makes connecting Front Input/Output (FIO) components to the motherboard easy.
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34 mm Cabling Space
Organized Cabling
A 34mm-wide compartment behind the motherboard provides ample space to neatly organize cables, despite the relatively compact dimensions of the chassis.
Tool-Free Side Panels
The side panels of the AP303 use a simple but secure clip mechanism to attach to the case. This makes them easy to remove, providing easy access to the interior of the chassis.
Multiple Colors and Styles
The AP303 is available in either black or white, giving you options to create a rig that blends in or stands out. In addition, the tempered glass side panel version provides an elegant appearance, whereas the mesh side panel version boosts airflow efficiency and thermal performance.
