1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Phanteks Eclipse P500 Air Mid Tower Computer Case. Please read this manual thoroughly before beginning assembly or use to ensure proper functionality and safety.
The Phanteks Eclipse P500 Air is a mid-tower chassis designed for high airflow performance and versatile component support, including ATX, Micro ATX, Mini ITX, and E-ATX motherboards. It features a steel chassis with a tempered glass side panel and comes with three pre-installed 140mm D-RGB fans in the front.

Figure 1: Front view of the Phanteks Eclipse P500 Air Mid Tower Computer Case.
2. Setup and Installation
Follow these steps to install your computer components into the Phanteks Eclipse P500 Air chassis.
2.1 Unpacking and Initial Inspection
- Carefully remove the chassis from its packaging.
- Inspect the chassis for any signs of damage during transit.
- Ensure all accessories (screws, cable ties, manual) are present.

Figure 2: Exploded view showing removable panels and components for assembly.
2.2 Removing Side Panels
The tempered glass side panel is hinged and secured with magnets. Gently pull the panel open to access the interior. The solid side panel can be removed by unscrewing the thumbscrews at the rear and sliding it off.
2.3 Motherboard Installation
- Install the necessary motherboard standoffs for your motherboard form factor (ATX, Micro ATX, Mini ITX, E-ATX).
- Carefully place your motherboard onto the standoffs and secure it with screws.

Figure 3: Interior view of the chassis, illustrating motherboard mounting area and fan locations.
2.4 Storage Drive Installation
The case supports up to 10 x 3.5" internal bays and 3 x 2.5" internal bays.
- 3.5" Drives: Utilize the drive cages located in the PSU shroud area or behind the motherboard tray.
- 2.5" Drives: Mount 2.5" SSDs/HDDs to the dedicated brackets behind the motherboard tray.

Figure 4: Rear interior view, highlighting cable management channels and 2.5" drive mounts.
2.5 Power Supply Installation
Install your ATX power supply into the dedicated compartment at the bottom rear of the chassis. Secure it with screws from the rear.
2.6 Graphics Card and Expansion Card Installation
- Remove the necessary PCI slot covers from the rear of the chassis.
- Insert your graphics card or other expansion cards into the motherboard's PCIe slots and secure them with screws.
- The case supports 7+3 PCI slots, allowing for vertical GPU mounting with an optional riser cable (not included).

Figure 5: Rear exterior view, detailing the PCI expansion slots and rear fan mount.
2.7 Cable Management
Utilize the integrated Velcro straps and cable ties provided to route and secure cables behind the motherboard tray. This improves airflow and aesthetics.
3. Operation
The Phanteks Eclipse P500 Air features convenient front I/O ports and integrated D-RGB lighting controls.
3.1 Front I/O Panel
The top front panel provides access to essential controls and ports:
- Power Button: To turn the system on or off.
- LED Mode Button: Cycles through various D-RGB lighting effects.
- LED Color Button: Changes the color of the D-RGB lighting.
- 2 x USB 3.0 Ports: For connecting USB 3.0 devices.
- Microphone Jack: For audio input.
- Headphone Jack: For audio output.

Figure 6: Close-up of the top front I/O panel, showing USB ports, audio jacks, and LED controls.
3.2 D-RGB Lighting Control
The three pre-installed 140mm D-RGB fans are controlled via the integrated D-RGB controller. Use the LED Mode and LED Color buttons on the front I/O panel to customize the lighting. The D-RGB lighting can also be optionally synchronized with compatible motherboards and software.

Figure 7: Illustration of the integrated D-RGB lighting effects on the front fans.
4. Maintenance
Regular maintenance helps ensure optimal performance and longevity of your computer case.
4.1 Dust Filter Cleaning
The Eclipse P500 Air features integrated dust filters on the front, top, and bottom (PSU intake) to prevent dust buildup. Regularly clean these filters to maintain optimal airflow.
- Front Filter: The front mesh panel acts as a dust filter. It can be removed for cleaning.
- Top Filter: The magnetic top filter can be easily lifted off for cleaning.
- Bottom Filter: The PSU intake filter slides out from the rear for cleaning.
Use compressed air or a soft brush to remove accumulated dust. Do not use harsh chemicals or abrasive materials.

Figure 8: Detail of the ultra-fine mesh front panel, designed for dust filtration and airflow.
4.2 General Cleaning
Wipe the exterior surfaces of the case with a soft, damp cloth. Avoid direct contact with electronic components inside the case.
5. Troubleshooting
This section addresses common issues you might encounter during the setup or operation of your Phanteks Eclipse P500 Air case.
- System Not Powering On:
- Ensure the power supply is properly connected to the wall outlet and switched on.
- Verify that the power switch cable from the case is correctly connected to the motherboard's front panel header.
- Check all internal power connections (24-pin ATX, 8-pin CPU, PCIe power for GPU).
- D-RGB Fans Not Lighting Up:
- Confirm that the D-RGB cables from the fans are correctly connected to the integrated D-RGB controller or your motherboard's D-RGB header.
- Press the LED Mode and LED Color buttons on the front I/O panel to cycle through effects and colors.
- If connected to the motherboard, ensure the motherboard's RGB software is installed and configured correctly.
- Poor Airflow/High Temperatures:
- Clean all dust filters (front, top, bottom).
- Ensure fans are oriented correctly for optimal airflow (front intake, rear/top exhaust).
- Verify that no cables are obstructing airflow inside the case.
- Front USB Ports Not Functioning:
- Check that the USB 3.0 header cable from the case is securely connected to the corresponding header on your motherboard.
6. Specifications
Below are the detailed specifications for the Phanteks Eclipse P500 Air Mid Tower Computer Case (PH-EC500ATG_DWT01).

Figure 9: Manufacturer's specification table for the Eclipse P500 Air.
| Feature | Detail |
|---|---|
| Model Number | PH-EC500ATG_DWT01 |
| Form Factor | Mid Tower |
| Dimensions (LxWxH) | 240 x 510 x 505 mm (9.45 x 20.1 x 19.9 inches) |
| Materials | Steel Chassis, Tempered Glass |
| Motherboard Support | E-ATX (up to 280mm wide), ATX, Micro ATX, Mini ITX, Mini ITX |
| Front I/O | 2 x USB 3.0, Microphone, Headphone, Power Button, LED Mode Button, LED Color Button |
| Internal 3.5" Bay | 10 (2x included, also supports 2.5" drives) |
| Internal 2.5" Bay | 3 (3x included) |
| PCI Slots | 7 + 3 (vertical) |
| Pre-installed Fans | 3 x 140mm D-RGB fans (Front) |
| Fan Support (Front) | 3 x 120mm or 3 x 140mm |
| Fan Support (Top) | 3 x 120mm or 2 x 140mm |
| Fan Support (Rear) | 1 x 120mm or 1 x 140mm |
| Radiator Support (Front) | Up to 360mm or 420mm |
| Radiator Support (Top) | Up to 360mm or 280mm |
| Radiator Support (Rear) | 120mm or 140mm |
| GPU Clearance | 435 mm / 17.2 inches |
| CPU Cooler Height | 190 mm / 7.5 inches |
| PSU Length | 195 mm (250 mm if 2 HDD brackets are removed) |
| Net Weight | 8 kg / 17.6 lbs |

Figure 10: Visual representation of fan and radiator mounting options within the chassis.
7. Warranty and Support
Phanteks provides a manufacturer's warranty for this product.
- Warranty Period: 5 Years Manufacturer Warranty.
- For warranty claims or technical support, please contact Phanteks customer service or visit their official website.
- Keep your proof of purchase for warranty validation.
For further assistance, refer to the official Phanteks website or contact their support channels.





