1. Producte acabatview
The Antec NX300 is a mid-tower gaming cabinet designed to accommodate ATX, Micro-ATX, and ITX motherboards. It features a tempered glass side panel for showcasing internal components and an integrated LED control button for managing lighting effects. The cabinet comes with one pre-installed 120mm ARGB fan at the rear to assist with cooling.

Figura 1.1: Davant view of the Antec NX300 cabinet, highlighting the integrated RGB lighting strip on the front panel.
2. Característiques i components
2.1 Característiques clau
- Materials: Constructed from SPCC steel and plastic, with a tempered glass side panel.
- Suport de la placa base: Compatible with ATX, Micro-ATX, and ITX form factor motherboards.
- Front Access & Controls: Includes Power button, Reset button, LED Control button, MIC/Audio jacks, 2 x USB 2.0 ports, and 1 x USB 3.0 port.
- Suport dels fans: Supports up to 3 x 120mm or 2 x 140mm fans at the front, 2 x 120mm fans at the top, and 1 x 120mm fan at the rear.
- Pre-installed Fan: One 120mm ARGB fan is pre-installed at the rear.
2.2 Disseny intern

Figura 2.1: Interna view of the Antec NX300, showing the main compartment for motherboard and component installation, along with the power supply shroud at the bottom.
2.3 Panell posterior

Figura 2.2: posterior view of the Antec NX300, illustrating the I/O shield cutout, expansion slots, and the pre-installed 120mm ARGB exhaust fan.
3. Configuració i instal·lació
3.1 Preparació del Gabinet
- Col·loqueu l'armari sobre una superfície plana i estable.
- Carefully remove the tempered glass side panel by unscrewing the four thumb screws. Set the panel aside in a safe location to prevent damage.
- Remove the opposite metal side panel by unscrewing the two rear thumb screws and sliding the panel backward.
3.2 Instal·lació de la placa base
- Install the I/O shield provided with your motherboard into the cutout at the rear of the cabinet.
- Align your motherboard with the pre-installed standoffs. Ensure all screw holes on the motherboard match the standoffs.
- Secure the motherboard using the appropriate screws.
3.3 Instal·lació de la unitat d'alimentació (PSU).
- Position the PSU into its designated compartment at the bottom rear of the cabinet.
- Ensure the PSU fan faces downwards (if there is a bottom vent) or upwards (if no bottom vent).
- Fixeu la font d'alimentació amb els cargols de la part posterior del gabinet.
3.4 Instal·lació de la unitat d'emmagatzematge
The NX300 supports 3.5-inch HDDs and 2.5-inch SSDs. Refer to the internal layout for drive bay locations.

Figura 3.1: View behind the motherboard tray, showing cable routing channels and mounting points for 2.5-inch SSDs and 3.5-inch HDDs.
- Per a discs durs de 3.5 polzades: Slide the HDD into the drive cage located under the PSU shroud. Secure with screws if necessary.
- For 2.5-inch SSDs: Mount SSDs onto the dedicated trays behind the motherboard tray or on top of the PSU shroud. Secure with screws.
3.5 Gestió de cables
Utilize the cutouts and tie-down points behind the motherboard tray to route cables neatly. This improves airflow and aesthetics.
4. Instruccions de funcionament
4.1 Controls del panell frontal
- Botó d'encesa: Press to turn the computer on or off. Hold for several seconds to force a shutdown.
- Botó de restabliment: Press to restart the computer.
- Botó de control LED: Press this button to cycle through various ARGB lighting modes for the pre-installed rear fan and the front panel LED strip.
- Ports USB: Connect USB devices to the USB 2.0 and USB 3.0 ports.
- Preses d'àudio: Connect headphones and microphones to the MIC/Audio ports.
4.2 Control d'il·luminació ARGB
The pre-installed ARGB fan and front panel LED strip are controlled via the dedicated LED Control button on the front panel. Repeatedly pressing this button will cycle through different color effects and static colors. If your motherboard has an ARGB header, you may be able to synchronize the cabinet's lighting with other ARGB components using motherboard software, provided the cabinet's ARGB controller supports passthrough or synchronization.
5. Manteniment
5.1 Neteja
- Exterior: Utilitzeu un suau, damp drap per netejar les superfícies exteriors. Eviteu productes de neteja abrasius.
- Filtres de pols: Regularly check and clean any removable dust filters (e.g., front, top, bottom). Rinse with water and allow to dry completely before re-installing.
- Interior: Use compressed air to remove dust buildup from internal components and fan blades. Ensure the system is powered off and unplugged before cleaning the interior.
5.2 Optimització del flux d'aire
Ensure proper airflow by keeping the cabinet's vents unobstructed. Periodically check fan operation to ensure they are spinning correctly and quietly.
6. Solució De Problemes
6.1 El sistema no s'encén
- Verify that the power supply is properly connected to the wall outlet and the PSU switch is in the 'ON' position.
- Check all internal power connections, including the 24-pin ATX power, 8-pin CPU power, and GPU power cables.
- Assegureu-vos que el cable de l'interruptor d'alimentació del panell frontal estigui connectat correctament a la capçalera del panell frontal de la placa base.
6.2 Fans Not Spinning / LEDs Not Lighting Up
- Confirm that all fan power cables are securely connected to the motherboard or fan controller.
- Check that the ARGB cables are properly connected to the cabinet's LED controller or the motherboard's ARGB header.
- Press the LED Control button on the front panel to cycle through lighting modes.
6.3 Ports USB no funcionen
- Ensure the USB 2.0 and USB 3.0 headers from the front panel are correctly connected to the corresponding headers on your motherboard.
- Comproveu els controladors de dispositiu per als controladors USB de la placa base.
7. Especificacions
| Característica | Especificació |
|---|---|
| Marca | Antec |
| Número de model | NX300 |
| Tipus de cas | Torre mitja |
| Compatibilitat amb la placa base | ATX, Micro-ATX, ITX |
| Materials | SPCC + Plastic, Tempered Glass Side Panel |
| Accés i controls frontals | Engegada, Restabliment, Botó de control LED, Micròfon/Àudio, 2 x USB 2.0, 1 x USB 3.0 |
| Suport del ventilador (frontal) | 3 x 120 mm o 2 x 140 mm |
| Suport del ventilador (superior) | 2 x 120 mm |
| Suport del ventilador (posterior) | 1 x 120mm (Pre-installed ARGB fan) |
| Mètode de refrigeració | Aire |
| Drive Bays | 3.5 polzades (disc dur), 2.5 polzades (SSD) |
| Pes de l'article | 5.4 quilos |
| País d'origen | Xina |
8. Garantia i Suport
8.1 Informació de la garantia
Please refer to the warranty card included with your product or visit the official Antec website for detailed warranty terms and conditions. Warranty coverage typically applies to manufacturing defects and may vary by region.
8.2 Suport tècnic
For technical assistance, troubleshooting beyond this manual, or inquiries regarding parts, please contact Antec customer support. You can find contact information on the official Antec weblloc web o a través del venedor on es va comprar el producte.
Informació de contacte del fabricant: Antec Inc. 8F, núm. 107, carrer Jhouzih, districte de Neihu, ciutat de Taipei 114, Taiwan
Importer Contact Information: Acro Engineering Company, 522/1 Jonapur Village, New Delhi - 110020