소개
Welcome to the user manual for your FSP Dagger Pro 650W SFX Power Supply. This power supply unit (PSU) is designed to provide stable and efficient power for small form factor PC systems, including VR systems, Micro ATX systems, and home media centers. The Dagger Pro Series features a fully modular design, flat ribbon cables, and a DC to DC module design, offering high power performance in a compact size. This manual provides essential information for installation, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your PSU.
중요한 안전 정보
Please read and understand all safety instructions before installing or operating the power supply. Failure to do so may result in personal injury or damage to the product and connected components.
- 전원 공급 장치를 설치, 제거 또는 청소하기 전에 항상 벽면 콘센트에서 전원 코드를 분리하세요.
- 이 전원 공급 장치는 컴퓨터 시스템에만 사용하도록 설계되었습니다. 다른 용도로 사용하지 마십시오.
- 전원 공급 장치를 열지 마십시오.asing. 고용량tag내부에 보호 장치가 있으며, 제품을 열면 보증이 무효화됩니다.
- 감전을 방지하려면 올바르게 접지하십시오.
- Avoid exposing the power supply to moisture or extreme temperatures. Operate it in a well-ventilated environment.
- 최적의 안전과 성능을 위해서는 전문가 설치를 권장합니다.
패키지 내용
패키지에 모든 품목이 들어 있는지 확인하세요.
- FSP Dagger Pro 650W SFX Power Supply
- Modular Cable Set (including ATX 20+4 pin, EPS 4+4 pin, PCIe 6+2 pin, SATA, Molex)
- AC 전원 코드
- 장착 나사
- SFX to ATX Adapter Bracket
- 사용 설명서 (본 문서)

Figure 1: FSP Dagger Pro 650W SFX Power Supply with included modular cables.
제품 끝view
The FSP Dagger Pro 650W SFX Power Supply is engineered for high performance and reliability in compact systems. Key features include:
- 완전 모듈식 설계: Connect only the necessary cables to improve airflow and reduce clutter within your PC case.
- 80 PLUS Gold 인증 효율: Achieves over 90% efficiency at typical loads, minimizing power waste, heat generation, and operational noise.
- 단일 +12V 레일: Provides full power to VGA cards individually, preventing overload conditions and ensuring stable power delivery.
- 일본산 콘덴서: Utilizes high-quality Japanese electrolytic capacitors for enhanced durability and protection against sudden power fluctuations, ensuring a longer product lifetime.
- Low-Noise 92mm Fan: Features an advanced semi-fanless design, where the fan only activates when the load exceeds 20%, ensuring silent operation under light loads and reduced noise during maximum operation.

그림 2: 상단 전면 view of the FSP Dagger Pro 650W SFX Power Supply, showing the fan and modular cable ports.

그림 3: 후면 view of the FSP Dagger Pro 650W SFX Power Supply, displaying the power switch and AC input.

그림 4: 상세 view of the fully modular cable connectors on the FSP Dagger Pro 650W SFX Power Supply.
영상 1: 공식 제품 영상 쇼asing the features and benefits of the FSP Dagger Pro Series Power Supply.
설정 및 설치
Follow these steps to properly install your FSP Dagger Pro SFX Power Supply:
- 시스템 준비: 컴퓨터의 전원이 완전히 꺼져 있고 벽면 콘센트에서 플러그가 뽑혀 있는지 확인하십시오. PC 케이스를 열어 파워서플라이 장착 영역에 접근하십시오.
- PSU를 장착하세요:
- For SFX cases: Align the Dagger Pro PSU with the SFX mounting holes in your case and secure it with the provided mounting screws.
- For ATX cases: Attach the included SFX to ATX adapter bracket to the Dagger Pro PSU using the provided screws. Then, mount the PSU with the adapter bracket into the ATX PSU bay of your case and secure it.

Figure 5: FSP Dagger Pro SFX Power Supply with ATX adapter bracket.
- 모듈형 케이블 연결: Identify the necessary cables for your motherboard, CPU, graphics card(s), and storage devices. Connect one end of each required modular cable to the corresponding port on the PSU. The ports are clearly labeled (e.g., MOTHERBOARD, CPU, PCI-e, PERIPHERAL).
- 구성 요소 연결: Route the modular cables neatly through your case and connect the other end of each cable to the corresponding component (e.g., 20+4 pin ATX to motherboard, 4+4 pin EPS to CPU, 6+2 pin PCIe to graphics card, SATA to SSD/HDD).
- 보안 케이블: Use cable ties or straps to manage cables, ensuring they do not obstruct airflow or interfere with other components.
- 케이스를 닫고 전원을 연결하세요: Close your PC case. Connect the AC power cord to the power supply's AC inlet and then plug the other end into a grounded wall outlet.
- 전원 켜기: Flip the power switch on the back of the PSU to the 'ON' position. You can now power on your computer.
작동 원리
The FSP Dagger Pro 650W PSU operates with advanced features to ensure stable and efficient power delivery:
- Semi-Fanless Operation: The integrated 92mm fan is designed to remain off under low load conditions (typically below 20% of total wattage) for silent operation. As the system load increases and the internal temperature rises, the fan will automatically spin up to provide necessary cooling. This intelligent design extends fan lifespan and reduces noise.
- 단일 +12V 레일 설계: This PSU features a robust single +12V rail, which provides the full available wattage to your system's components, particularly high-power devices like graphics cards. This design simplifies power distribution and helps prevent potential overcurrent issues that can occur with multiple, lower-amperage +12V rails.
유지 보수 및 관리
Proper maintenance can extend the life of your power supply and ensure continued optimal performance:
- 먼지 제거: Periodically (every 3-6 months, depending on environment) power off your PC, unplug the power cord, and use compressed air to gently blow dust out of the PSU's fan grill and ventilation openings. Accumulation of dust can hinder cooling and reduce efficiency.
- 케이블 관리 : Ensure cables inside your PC case are neatly managed and do not block airflow to the PSU or other components.
- 환경 조건: Operate the PSU in a clean, dry, and well-ventilated environment. Avoid placing your PC in areas with excessive dust, humidity, or direct sunlight.
- 분해하지 마십시오: Never attempt to open the power supply unit. It contains high voltage components and is not user-serviceable. Opening the unit will void the warranty and poses a risk of electric shock.
문제 해결
If you encounter issues with your FSP Dagger Pro Power Supply, refer to the table below for common problems and their solutions:
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| PC 전원이 켜지지 않습니다. | Power cord not fully connected, PSU switch off, loose internal cables, faulty component. | Check power cord connection to PSU and wall outlet. Ensure PSU switch is ON. Re-seat all modular cables (20+4 pin ATX, 4+4 pin EPS, PCIe). Test with minimal components (motherboard, CPU, RAM) to isolate issue. |
| 시스템이 무작위로 재부팅되거나 충돌합니다. | 전력 부족, 과열, 전원 공급 장치 불량. | Ensure total system power draw does not exceed 650W. Check for proper airflow and dust buildup. Verify all power connections are secure. If issues persist, consider testing with another known good PSU. |
| 파워서플라이 팬이 회전하지 않습니다. | Semi-fanless mode, low system load, fan malfunction. | The Dagger Pro operates in semi-fanless mode; the fan will not spin under low loads. If the fan does not spin even under high load (e.g., gaming, benchmarking), ensure proper ventilation. If it still doesn't spin, contact support. |
| Burning smell or unusual noises. | 내부 구성 요소 오류. | Immediately power off and unplug the PC. Do not attempt to use the PSU. Contact FSP support for assistance. |
기술 사양
| 특징 | 세부 사항 |
|---|---|
| 모델 번호 | SDA2-650 |
| 왓tage | 650와트 |
| 80 PLUS 인증 | 금 |
| 폼 팩터 | 음향효과 |
| 치수(길이 x 너비 x 높이) | 125mm x 100mm x 63.5mm |
| 품목 무게 | 3.85파운드(약 1.75kg) |
| 냉각 방식 | 에어(92mm 팬, 반팬리스) |
| 커패시터 | Japanese Electrolytic |
| 모듈식 | 완전 모듈식 |
| 커넥터 유형 | 에이티엑스 |
보증 및 지원
FSP products are manufactured to the highest quality standards. For warranty information, technical support, or service inquiries, please contact FSP Group USA directly. Keep your proof of purchase for warranty claims.
You can visit the official FSP website or refer to the contact information provided with your product packaging for the most up-to-date support details.
FSP Group USA: Visit the FSP Store on Amazon





