ASUS Prime AP303 Mesh White ATX Mid Tower PC Case
ASUS
ASUS Prime AP303 Mesh White ATX Mid Tower PC Case
The ASUS Prime AP303 Mesh White is a compact 44-liter ATX mid-tower case built for PC builders who need to fit high-performance hardware—including large graphics cards and liquid cooling—into a space-efficient chassis without sacrificing airflow or compatibility.
Why this product
Fits large graphics cards and radiators
Supports graphics cards up to 360mm long, 360mm radiators up to 60mm thick, and 1200-watt ATX power supplies up to 180mm long, with a graphics card bracket to prevent sagging on RTX 50 Series cards.
Seven-fan cooling setup
Supports up to 360mm radiators and seven fans total, with preset top and rear mounting points to handle demanding thermal loads from high-end components.
Mesh panels for airflow
Metallic quasi-filter mesh side and front panels enhance airflow and minimize dust ingress while maintaining a clean aesthetic.
USB Type-C front panel
20Gbps USB 3.2 Gen 2x2 Type-C port on the front for high-speed data transfer without reaching the rear I/O.
Tool-free side panel access
Simple clip mechanism on side panels makes them quick to remove for interior access and component upgrades.
- Form FactorATX Mid Tower
- Volume44 liters
- Max GPU Length360 mm
- Max Radiator Size360 mm (top)
- Pre-installed Fans1 x 120 mm (rear)
- Weight6.8 kg
- Warranty2 years
- SKUASU-3307
- EAN4711636165150
- Supports ATX, Micro-ATX, and Mini-ITX motherboards, giving flexibility across common form factors.
- Fits graphics cards up to 360mm long, covering most high-end desktop GPUs including NVIDIA RTX 40 and 50 Series cards.
- Accommodates up to 360mm radiators at the top and 120mm at the rear, suitable for single-loop or custom water cooling setups.
- Supports CPU coolers up to 165mm in height, covering most aftermarket air and AIO coolers.
- Maximum PSU length of 180mm excludes some older or oversized power supplies; verify your unit's dimensions before purchase.
- Cable management space is 34mm, which is tight; use a modular or semi-modular PSU to minimize routing difficulty.
Best for
- High-performance gaming and workstation builds
- Liquid cooling enthusiasts
- Space-conscious builders who want ATX power without large tower footprint
- Buyers prioritizing airflow and thermal management
Trade-offs
- Builders with long PSUs. The 180mm PSU length limit excludes many power supplies over 200mm, particularly older or non-modular units.
- Those needing extensive cable routing. The 34mm cable management space is restrictive for non-modular PSUs or complex custom builds.
- Mini-ITX single-GPU setups requiring silent operation. The case is optimized for multi-fan cooling; quieter, minimal-fan builds may not leverage its design.
- Users who prefer closed airflow. The mesh panels prioritize thermal performance over acoustic dampening.
ASUS Prime case is expertly engineered to provide the exquisite ID design with comprehensive cooling solutions. Prime series case provide daily users and DIY PC builders with a high-performance platform that invites great compatibility and a tasteful, minimalist aesthetic.
The ASUS Prime AP303 is a compact 44-liter ATX case with support for graphics cards up to 360mm long, 360mm radiators up to 60mm thick, and ATX PSUs up to 180mm long.
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. 60mm clearance for thicker radiators and fans to enhance cooling. Support for up to 1200-watt ATX power supplies (up to 180mm long).
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.
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. Metallic quasi-filter mesh panels are designed to enhance airflow and minimize dust ingress, delivering both performance and protection in a sleek style.
The UL-certified internal power cable delivers 15 amperes of current to ensure stable operation for high-end systems with a 1200W power supply.
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.
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.
General
| Brand | ASUS |
|---|---|
| Product Name | PRIME AP303 MESH WHITE |
| Part Number | 90DC00V3-B38000 |
| Motherboard Support | ATX, Micro-ATX, Mini-ITX |
| Dimensions (W x H x D) | 215 x 425 x 485 mm |
Expansion
| Drive Bays | 2 x 2.5" Bay, 1 x 2.5"/3.5" Combo Bay |
|---|---|
| Expansion Slots | 7 |
| Maximum GPU Length | 360 mm |
| Maximum CPU Cooler Height | 165 mm |
| Maximum PSU Length | 180 mm |
Cooling
| Radiator Support (Top) | 120 mm, 140 mm, 240 mm, 280 mm, 360 mm |
|---|---|
| Radiator Support (Rear) | 120 mm |
| Cooling Support (Top) | 3 x 120 mm, 3 x 140 mm |
| Cooling Support (Rear) | 1 x 120 mm |
| Pre-installed Fans (Rear) | 1 x 120 mm |
Front I/O & Features
| Front I/O Ports | 1 x headphone/microphone, 2 x USB 3.2 Gen1, 1 x USB 3.2 Gen 2x2 Type-C |
|---|---|
| Removable Dust Filters | Bottom |
| Maximum Cable Management Space | 34 mm |
| Warranty | 2 year manufacturer warranty |
Shipping
All our products are shipped from the United Kingdom within 24 to 48 hours of purchase. See our Shipping and Returns page for full details.
Returns
- Tech Syndicate offers a full money-back guarantee on all purchases made in our store. If you are not satisfied with your purchase, we will provide a full refund, no questions asked.
- Refunds are available within 45 days of delivery.
- After the 45-day period you are no longer eligible for a refund, so we encourage you to try the product within the first few weeks to make sure it fits your needs.