1. Producto terminadoview
The Intel Core i5-9400F is a 9th Generation desktop processor designed for performance computing. It features 6 cores and 6 threads, with a base clock speed of 2.90 GHz and a maximum turbo frequency of 4.10 GHz. This processor requires a discrete graphics card as it does not include integrated graphics. It is compatible with motherboards based on Intel 300 Series chipsets and supports Intel Optane Memory.
1.1 Características principales
- 6 núcleos / 6 hilos
- 2.90 GHz Base Frequency, up to 4.10 GHz Max Turbo Frequency
- 9 MB de caché inteligente Intel
- LGA 1151 Socket
- 65W Thermal Design Power (TDP)
- Requires Discrete Graphics Card
- Compatible with Intel 300 Series Chipsets
- Supports DDR4 SDRAM
2. ¿Qué hay en la caja?
Al abrir el embalaje del producto, verifique que se incluyan los siguientes elementos:
- Procesador Intel Core i5-9400F
- Enfriador de CPU Intel de serie
If any items are missing or damaged, contact your retailer or Intel support.
3. Configuración e instalación
Proper installation is crucial for the optimal performance and longevity of your processor. Please follow these guidelines carefully.
3.1 Lista de verificación previa a la instalación
- Compatibilidad de la placa base: Ensure your motherboard is based on an Intel 300 Series chipset (e.g., Z370, B360, H370, Z390, B365). Older chipsets are not compatible.
- Tarjeta gráfica discreta: A separate graphics card is mandatory for video output, as this processor does not have integrated graphics.
- Solución Térmica: The included Intel Stock CPU Cooler is designed for this processor. Ensure it is properly installed with thermal paste applied.
- Fuente de alimentación: Verify your power supply unit (PSU) meets the power requirements of your entire system, including the processor and discrete graphics card.
- Actualización del BIOS: For some 300 Series motherboards, a BIOS update may be required to support 9th Generation processors. Consult your motherboard manufacturer's websitio para obtener instrucciones específicas.
3.2 Pasos de instalación del procesador
- Preparar la placa base: Place the motherboard on a non-conductive surface. Open the CPU socket retention lever and lift the load plate.
- Instalar el procesador: Carefully align the processor with the socket, ensuring the gold triangle on the CPU matches the triangle on the socket. Gently lower the processor into the socket without forcing it.
- Asegure el procesador: Close the load plate and push down the retention lever until it locks into place.
- Aplicar pasta térmica (si no se aplicó previamente): If your cooler does not have pre-applied thermal paste, apply a small amount (pea-sized dot) to the center of the CPU's integrated heat spreader (IHS).
- Instalar el enfriador de la CPU: Place the Intel Stock CPU Cooler onto the processor, aligning the mounting pins with the holes on the motherboard. Press down firmly on each pin until it clicks into place. Connect the cooler's fan cable to the CPU_FAN header on the motherboard.
Importante: Handle the processor by its edges to avoid touching the gold contacts or the top surface. Static electricity can damage components; use anti-static precautions.

Figura 1: Arriba view of the Intel Core i5-9400F processor.

Figura 2: Abajo view of the Intel Core i5-9400F processor with LGA 1151 contact pads.

Figure 3: Intel Core i5-9400F processor and stock cooler.
4. Funcionamiento del procesador
Once installed, the Intel Core i5-9400F processor operates automatically within your system. Its performance is managed by the motherboard's BIOS/UEFI and operating system. The processor dynamically adjusts its frequency based on workload, utilizing Intel Turbo Boost Technology 2.0 to reach higher clock speeds when thermal and power conditions allow.
4.1 Consideraciones de rendimiento
- Enfriamiento: Adequate cooling is essential for sustained performance. The included stock cooler is sufficient for typical workloads, but an aftermarket cooler may provide better thermal performance under heavy loads.
- Memoria: The processor supports DDR4 memory. Ensure your system uses compatible DDR4 modules for optimal performance.
- Gráficos: Remember that a discrete graphics card is required for any display output. The performance of your graphics card will significantly impact overall system performance, especially in gaming and graphically intensive applications.
5. Mantenimiento
The Intel Core i5-9400F processor requires minimal maintenance. However, general system upkeep contributes to its longevity and stable operation.
- Eliminación de polvo: Periodically clean dust from your computer case, especially around the CPU cooler and case fans, to maintain optimal airflow and cooling efficiency.
- Pasta térmica: If you notice consistently high temperatures, consider reapplying fresh thermal paste between the CPU and cooler. This is typically not required frequently.
- Actualizaciones de software: Keep your operating system, motherboard drivers, and BIOS/UEFI firmware updated to ensure compatibility and access to performance improvements or bug fixes.
6. Solución de problemas
If you encounter issues with your Intel Core i5-9400F processor, consider the following common troubleshooting steps:
6.1 Problemas comunes y soluciones
- Sin salida de pantalla:
- Verify that a discrete graphics card is properly installed and connected to your monitor.
- Ensure all power cables (including the CPU 8-pin/4-pin power) are securely connected.
- Reseat the processor and RAM modules.
- El sistema no arranca:
- Verifique todas las conexiones de alimentación a la placa base y los componentes.
- Confirm motherboard compatibility with the 9th Gen processor (Intel 300 Series chipset).
- Asegúrese de que la CPU esté colocada correctamente en su zócalo.
- If a BIOS update was required, ensure it was performed correctly.
- Calentamiento excesivo:
- Verify the CPU cooler is correctly installed and making proper contact with the CPU.
- Check that thermal paste was applied correctly.
- Ensure the CPU cooler fan is spinning and connected to the CPU_FAN header.
- Improve case airflow by managing cables and ensuring proper fan configuration.
- Inestabilidad/fallos del sistema:
- Check for driver updates for your motherboard and graphics card.
- Ejecute herramientas de diagnóstico de memoria para comprobar si hay problemas de RAM.
- Monitor CPU temperatures during operation.
For further assistance, refer to your motherboard manual or visit the official Intel support websitio.
7. Especificaciones
| Característica | Especificación |
|---|---|
| Modelo de procesador | Intel Core i5-9400F |
| Número de modelo del artículo | BX80684I59400F |
| Núcleos / Hilos | 6 núcleos / 6 hilos |
| Velocidad del reloj base | 2.90 GHz |
| Frecuencia máxima del turbo | 4.10 GHz |
| Cache | 9 MB de caché inteligente Intel |
| Tipo de enchufe | LGA 1151 |
| TDP (Potencia de diseño térmico) | 65 W |
| Gráficos integrados | Ninguna (se requiere GPU discreta) |
| Compatibilidad con tipos de memoria | Memoria SDRAM DDR4 |
| Velocidad de la memoria | Up to 2666 MHz (with XMP enabled) |
| Compatibilidad del chipset | Intel 300 Series Chipsets |
| Compatibilidad con memoria Intel Optane | Sí |
| Dimensiones del producto (LxAnxAl) | 4.57 x 2.76 x 3.98 pulgadas |
| Peso del artículo | 3.53 onzas |
| Fecha de primera disponibilidad | 7 de enero de 2019 |
8. Garantía y soporte
Intel processors are covered by a manufacturer's warranty. For specific warranty terms, duration, and conditions, please refer to the documentation included with your product or visit the official Intel websitio.
8.1 Soporte técnico
For technical assistance, driver downloads, or further product information, please visit the official Intel support websitio:
https://www.intel.com/content/www/us/en/support.html
When contacting support, have your processor's model number (BX80684I59400F) and any relevant system information ready.





