FSP Dagger PRO 850W, 850 Watts, 80 PLUS Gold, Compact SFX Design

The FSP  Dagger PRO 850W power supply is a compact and powerful PSU designed for small form factor (SFF) systems, including Mini-ITX and Micro-ATX builds. Certified with 80 PLUS Gold for 90% efficiency, it ensures reduced heat and energy waste.

Featuring fully modular flat ribbon cables for easy installation, a quiet 92mm ball bearing fan with semi-fanless mode, and robust Japanese electrolytic capacitors, the Dagger PRO 850W is built for high performance and reliability. Its single +12V rail design delivers stable power for modern GPUs and CPUs, making it perfect for gaming enthusiasts and professionals alike.

Key Features

• Wattage: 850W continuous output for powering high-performance systems.
• Efficiency Rating: 80 PLUS Gold certified for ≥90% efficiency at 50% load, reducing power waste and heat generation.
• Compact Design: SFX form factor fits small cases while being compatible with ATX cases using the included adapter.
• Cooling System: 92mm ball bearing fan with semi-fanless mode ensures quiet and efficient cooling.
• Fully Modular: Flat ribbon cables simplify cable management and optimize airflow in tight builds.
• Premium Components: Built with Japanese electrolytic capacitors for enhanced durability and stability.
• Single +12V Rail: Provides stable power for demanding GPUs and CPUs, avoiding overloading conditions.
• Safety Protections: Equipped with OCP, OVP, SCP, OPP, and OTP to protect your system from power irregularities.

FSP Dagger PRO 850W Power Supply Specifications

• Brand: FSP Dagger PRO
• Model: SDA2-850
• Wattage: 850W continuous output
• Efficiency Certification: 80 PLUS Gold
• Form Factor: SFX (includes ATX adapter)
• Input Voltage: 100-240V AC
• Input Frequency Range: 50-60Hz
• Fan Size and Type: 92mm ball bearing fan with semi-fanless mode
• Hold-Up Time: ≥16ms at 80% load
• Protections: OCP, OVP, SCP, OPP, OTP
• Connectors:
  • Motherboard: 1 x 24-pin ATX (20+4)
  • CPU/EPS: 2 x 4+4-pin EPS
  • PCIe: 4 x 6+2-pin PCIe
  • SATA: 5 x SATA connectors
  • Peripheral (Molex): 2 x 4-pin Molex
  • Floppy: 1 x Floppy connector
• Dimensions: 125mm x 100mm x 63.5mm

Processor Compatibility

The Dagger PRO 850W supports high-performance multi-core CPUs, including Intel Core i7/i9 and AMD Ryzen 7/9, ensuring stable power delivery for gaming and multitasking systems.

Graphics Card Compatibility

The Dagger PRO 850W Power Supply is tailored for modern, high-performance GPUs, making it an ideal choice for gamers and professionals who need reliable power. With its 80 PLUS Gold certification and 850W capacity, it supports demanding graphics cards like:

• NVIDIA RTX Series: MSI RTX 4070 Ti, ASUS TUF Gaming RTX 4080, and Gigabyte RTX 4070 Super Gaming OC.
• AMD Radeon Series: MSI Radeon RX 6900 XT, SAPPHIRE Radeon RX 7900 XTX, and Gigabyte Radeon RX 6600 Eagle.
• Mid-Tier Cards: ASUS Dual GeForce RTX 4060 Ti, MSI GeForce RTX 3060 Ti Ventus, and Palit RTX 4060 StormX.

Thanks to its PCIe 6+2 pin connectors and compact SFX form factor, it ensures compatibility with power-hungry GPUs without compromising space, especially in Mini-ITX or Micro-ATX cases.

Motherboard Compatibility

The Dagger PRO 850W seamlessly integrates with a wide range of motherboards, from budget-friendly models to premium gaming platforms. Compatible motherboards include:

AMD Motherboards: MSI MAG B550M Mortar Max WiFi, ASUS ROG Strix B550-F Gaming, and Gigabyte B550 Aorus Elite.

Intel Motherboards: MSI MAG B760 TOMAHAWK WIFI DDR4, ASUS TUF Gaming B760M-PLUS WiFi, and Gigabyte Z790 AORUS ELITE AX DDR5.

Its fully modular design allows users to connect only the cables they need, reducing clutter and improving airflow for optimized thermal performance.

Energy Efficiency

The 80 PLUS Gold certification guarantees ≥90% efficiency at typical loads, reducing electricity costs and heat while improving overall system performance.

Cooling and Noise Level

The 92mm ball bearing fan operates silently during low loads with its semi-fanless design. During higher loads, it delivers efficient cooling with minimal noise, ensuring a quiet and optimized system.

Is the FSP Dagger PRO 850W for You?

The Dagger PRO 850W is an excellent choice for gamers, professionals, and PC enthusiasts building powerful small form factor systems. Its 850W output, 80 PLUS Gold efficiency, and fully modular design make it ideal for powering high-end GPUs and multi-core CPUs.

With premium components, advanced cooling, and a compact form factor, the Dagger PRO delivers stable, efficient, and quiet performance for demanding setups.