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Black - Mesh - 3 x Bay - 1 x 120mm Fan(s) Installed - 1200 W - Mini ITX, Micro ATX, ATX Motherboard Supported - 4 x Fan(s) Supported - 2 x Internal 2.5" Bay - 1 x Internal 2.5"/3.5" Bay(s) - 7x Slot(s) - 3 x USB(s) - 2 x USB 3.2 Gen 2x2 Type C, 2 x USB 3.2 Gen 1 - 1 x Audio In - 1 x Audio Out - Fan Cooler
$123.11
Special order — estimated available by September 10, 2026.
Genuine ASUS Computer International through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
ASUS Prime AP303 - Mesh 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.
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.
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.
Efficient Cooling
With support for up to 360mm radiators and up to seven fans, the AP303 is primed to deal with the thermal scenarios of high-performance hardware.
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.
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.
USB Type-C® Support
AP303 includes one 20Gbps Type-C port and two USB 3.0 ports for future-ready and backward-compatible connectivity.
Unified Front I/O Header
A thoughtful header design makes connecting Front Input/Output (FIO) components to the motherboard easy.
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.
About ASUS ASUS is a multinational company best known for their motherboards, PCs, monitors, graphics cards and routers. Along with an expanding range of superior gaming, content-creation and AIoT solutions, ASUS leads the industry through cutting-edge design and innovations made to create the most ubiquitous, intelligent, heartfelt and joyful smart life for everyone. With a global workforce that includes more than 5,000 R&D professionals, ASUS is driven to become the world’s most admired innovative leading technology enterprise. About ROG Republic of Gamers (ROG) is an ASUS sub-brand dedicated to creating the world’s best gaming hardware and software. Formed in 2006, ROG offers a complete line of innovative products known for performance and quality, including motherboards, graphics cards, laptops, desktops, monitors, audio equipment, routers and peripherals. ROG participates in and sponsors major international gaming events. ROG gear has been used to set hundreds of overclocking records and it continues to be the preferred choice of gamers and enthusiasts around the world. © 2024 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications and terms are subject to change without notice. Please check with your supplier for exact offers on selected models. Products may not be available in all markets. Product may not be exactly as shown in photos. Actual colors may differ from their appearance due to variation of monitor restrictions and color processing. All trademarks are registered to their respective companies. ASUS shall not be liable for technical or editorial errors or omissions contained herein.
| Bays | |
|---|---|
| Number of Internal 2.5" Bays | 2 |
| Number of Internal 2.5"/3.5" Bays | 1 |
| Number of Total Expansion Bays | 3 |
| General Information | |
| Manufacturer | ASUS Computer International |
| Manufacturer Part Number | PRIME AP303 MESH BLACK |
| Brand Name | Asus |
| Product Line | Prime |
| Product Model | ASUS Prime AP303 - Mesh Panel |
| Product Name | Prime Computer Case |
| Product Type | Computer Case |
| I/O Expansions | |
| Total Number of Expansion Slots | 7 |
| Interfaces/Ports | |
| Total Number of USB Ports | 3 |
| USB Port Details | 2 x USB 3.2 Gen 2x2 Type C, 2 x USB 3.2 Gen 1 |
| Front USB | Yes |
| Total Number of Audio In Ports | 1 |
| Front Audio In | Yes |
| Total Number of Audio Out Ports | 1 |
| Front Audio Out | Yes |
| Microphone | Yes |
| Headphone/Microphone Combo Port | Yes |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Product Material | Mesh |
| Cooler Type | Fan Cooler |
| Maximum CPU Cooler Height | 6.50" |
| Maximum PSU Length | 7.09" |
| Maximum GPU Length | 14.17" |
| Height | 16.7" |
| Width | 8.5" |
| Depth | 19.1" |
| Weight (Approximate) | 14.99 lb |
| Power Description | |
| Power Supply Wattage | 1200 W |
| Technical Information | |
| Motherboard Supported | Mini ITX, Micro ATX, ATX |
| Number of Fans Supported | 4 |
| Number of Fans Installed | 1 |
| Fan Size Supported | 4.72", 5.51" |
| Installed Fan Size | 4.72" |
| Installed Fan Size Details | 1 x 120mm |
| Features | Dust Filter, Removable Filter |
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