1. 제품 오버view
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 주요 특징
- 6코어 / 6스레드
- 2.90 GHz Base Frequency, up to 4.10 GHz Max Turbo Frequency
- 9MB 인텔 스마트 캐시
- LGA 1151 Socket
- 65W Thermal Design Power (TDP)
- Requires Discrete Graphics Card
- Compatible with Intel 300 Series Chipsets
- Supports DDR4 SDRAM
2. 상자 안에 무엇이 들어있나요?
제품 포장을 개봉한 후 다음 항목들이 모두 포함되어 있는지 확인하십시오.
- 인텔 코어 i5-9400F 프로세서
- 인텔 기본 CPU 쿨러
If any items are missing or damaged, contact your retailer or Intel support.
3. 설정 및 설치
Proper installation is crucial for the optimal performance and longevity of your processor. Please follow these guidelines carefully.
3.1 설치 전 체크리스트
- 마더보드 호환성: Ensure your motherboard is based on an Intel 300 Series chipset (e.g., Z370, B360, H370, Z390, B365). Older chipsets are not compatible.
- 개별 그래픽 카드: A separate graphics card is mandatory for video output, as this processor does not have integrated graphics.
- 열 솔루션: The included Intel Stock CPU Cooler is designed for this processor. Ensure it is properly installed with thermal paste applied.
- 전원 공급 장치: Verify your power supply unit (PSU) meets the power requirements of your entire system, including the processor and discrete graphics card.
- BIOS 업데이트: For some 300 Series motherboards, a BIOS update may be required to support 9th Generation processors. Consult your motherboard manufacturer's web특정 지침을 위한 사이트.
3.2 프로세서 설치 단계
- 마더보드 준비: Place the motherboard on a non-conductive surface. Open the CPU socket retention lever and lift the load plate.
- 프로세서를 설치하세요: 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.
- 프로세서 보안: Close the load plate and push down the retention lever until it locks into place.
- 써멀 페이스트를 도포하십시오 (미리 도포되어 있지 않은 경우): 쿨러에 써멀 페이스트가 미리 도포되어 있지 않은 경우, CPU의 통합 방열판(IHS) 중앙에 소량(완두콩 크기)의 써멀 페이스트를 바르십시오.
- CPU 쿨러 설치: 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.
중요한: 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.

그림 1: 상단 view of the Intel Core i5-9400F processor.

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

Figure 3: Intel Core i5-9400F processor and stock cooler.
4. 프로세서 작동
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 성능 고려 사항
- 냉각: 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.
- 메모리: The processor supports DDR4 memory. Ensure your system uses compatible DDR4 modules for optimal performance.
- 제도법: 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. 유지관리
The Intel Core i5-9400F processor requires minimal maintenance. However, general system upkeep contributes to its longevity and stable operation.
- 먼지 제거: Periodically clean dust from your computer case, especially around the CPU cooler and case fans, to maintain optimal airflow and cooling efficiency.
- 열전도 페이스트: If you notice consistently high temperatures, consider reapplying fresh thermal paste between the CPU and cooler. This is typically not required frequently.
- 소프트웨어 업데이트: Keep your operating system, motherboard drivers, and BIOS/UEFI firmware updated to ensure compatibility and access to performance improvements or bug fixes.
6. 문제 해결
인텔 코어 i5-9400F 프로세서에 문제가 발생하면 다음의 일반적인 문제 해결 단계를 고려해 보세요.
6.1 일반적인 문제 및 해결 방법
- 디스플레이 출력 없음:
- 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.
- 시스템이 부팅되지 않음:
- 마더보드와 구성 요소의 모든 전원 연결을 확인하세요.
- Confirm motherboard compatibility with the 9th Gen processor (Intel 300 Series chipset).
- CPU가 소켓에 올바르게 장착되었는지 확인하십시오.
- If a BIOS update was required, ensure it was performed correctly.
- 과열:
- Verify the CPU cooler is correctly installed and making proper contact with the CPU.
- Check that thermal paste was applied correctly.
- CPU 쿨러 팬이 회전하고 CPU_FAN 헤더에 연결되어 있는지 확인하십시오.
- Improve case airflow by managing cables and ensuring proper fan configuration.
- 시스템 불안정/충돌:
- Check for driver updates for your motherboard and graphics card.
- 메모리 진단 도구를 실행하여 RAM 문제를 확인하십시오.
- Monitor CPU temperatures during operation.
For further assistance, refer to your motherboard manual or visit the official Intel support web대지.
7. 사양
| 특징 | 사양 |
|---|---|
| 프로세서 모델 | 인텔 코어 i5-9400F |
| 품목 모델 번호 | BX80684I59400F |
| 코어/스레드 | 6코어 / 6스레드 |
| 기본 클럭 속도 | 2.90GHz |
| 최대 터보 주파수 | 4.10GHz |
| 은닉처 | 9MB 인텔 스마트 캐시 |
| 소켓 타입 | LGA 1151 |
| TDP(열 설계 전력) | 65와트 |
| 통합 그래픽 | 없음(별도의 GPU 필요) |
| 메모리 유형 지원 | DDR4 SD램 |
| 메모리 속도 | Up to 2666 MHz (with XMP enabled) |
| 칩셋 호환성 | Intel 300 Series Chipsets |
| 인텔 옵테인 메모리 지원 | 예 |
| 제품 크기(LxWxH) | 4.57 x 2.76 x 3.98 인치 |
| 품목 무게 | 3.53 온스 |
| 첫 번째 이용 가능 날짜 | 7년 2019월 XNUMX일 |
8. 보증 및 지원
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 web대지.
8.1 기술 지원
For technical assistance, driver downloads, or further product information, please visit the official Intel support web대지:
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.





