1. Computer Power Supplies Parts
  2. sku: 7447323657626641
  3. FSP 850W

FSP 850W Dagger Pro Sfx Psu Modular Power Supply Ar 845685013934 U3934

U3934 Fsp 845685013934 Dagger Pro 850w Sfx Psu 80 Plus Gold Fully Modular Power Supply #u3934 Ar

( Brand: Fsp ), ( Manufacturer Part Number: 850W ), ( Model: DAGGER PRO 850W ), ( Type: Cable ), ( Maximum Power: 850 W ), ( Color: Gold ), ( UPC: 845685013934 )

Review FSP Dagger Pro Sfx Psu Plus Gold Fully Modular Power Supply #u3934 Ar

The FSP Dagger Pro 850W SFX 80 Modular Power Supply Unit (PSU), model number FSP845685013934, is a high-performance and compact power solution that is ideal for Small Form Factor (SFF) and Mini-ITX systems. This power supply delivers an impressive 850 watts of power, making it suitable for powering high-end components and multiple graphics cards.

The 80 Modular certification ensures that this PSU operates with high efficiency, delivering up to 80% of the input power as usable output, reducing energy waste and improving system performance. The modular design allows users to connect only the cables they need, reducing clutter and improving airflow within the case.

The SFX form factor of the FSP Dagger Pro 850W PSU makes it compatible with most SFX and some ATX cases, making it a versatile option for a wide range of systems. The unit measures 125mm x 150mm x 63.5mm (W x H x D) and features a universal AC input range of 100-240V 50/60Hz.

The FSP Dagger Pro 850W PSU is equipped with active PFC technology, ensuring that it complies with the latest energy regulations and reduces harmonic distortion, providing clean and stable power. It also features a single 12V rail design, delivering a constant voltage to the system for improved stability and compatibility.

This power supply includes a variety of protection features, including over current protection, over voltage protection, under voltage protection, short circuit protection, and over temperature protection, ensuring that the system and components are protected from damage.

The FSP Dagger Pro 850W SFX 80 Modular PSU is backed by a 5-year manufacturer's warranty, providing peace of mind to users. The unit is also RoHS compliant, ensuring that it meets the latest environmental regulations.

In summary, the FSP Dagger Pro 850W SFX 80 Modular Power Supply Unit is a high-performance and efficient power solution for SFF and Mini-ITX systems. Its compact size, high wattage output, modular design, and advanced features make it an excellent choice for powering demanding components while ensuring reliable and stable power delivery.

The FSP Dagger Pro 850W SFX 80 Modular Power Supply (Model: FSP300-850D-S3F3) is a compact and high-performance power supply unit (PSU) designed for small form factor (SFF) systems and mini-ITX builds. In this analysis, we will discuss the key features, advantages, and potential drawbacks of this power supply.

Features:

1. High Wattage: The FSP Dagger Pro 850W SFX PSU delivers a maximum power output of 850 watts, making it a suitable choice for high-performance systems or those with multiple high-demand components.

2. SFX Form Factor: Its compact SFX form factor makes it suitable for use in small cases or systems where space is a concern.

3. 80 Modular: The power supply is 80 Modular certified, meaning it is highly energy-efficient and allows users to connect only the cables they need.

4. U3934 AR: The FSP Dagger Pro 850W SFX PSU features a universal AC input (100-240V) and Active PFC (PWM) for better power efficiency and compatibility with various power outlets worldwide.

Advantages:

1. High Power Density: The power supply's high wattage and compact size make it an excellent choice for powering high-performance SFF systems or mini-ITX builds.

2. Improved Efficiency: The 80 Modular certification ensures that the power supply operates efficiently, reducing heat generation and energy waste.

3. Flexible Cable Management: The modular design allows users to configure their cable setup according to their system requirements, leading to better airflow and reduced clutter.

4. Universal Compatibility: The unit's U3934 AR (Universal AC Input) feature makes it suitable for use in various regions and power outlets worldwide.

Drawbacks:

1. Noise: Some users reported that the power supply can be noisy under heavy load, particularly when the fan speed increases.

2. Price: The FSP Dagger Pro 850W SFX PSU is more expensive compared to other power supplies with similar wattage and form factors.

3. Limited Fan Control: The power supply does not offer fan control options, which may be a concern for users who want to optimize fan speed for silent operation.

Conclusion:

The FSP Dagger Pro 850W SFX 80 Modular Power Supply is a high-performance and compact power solution suitable for small form factor systems and mini-ITX builds that demand a significant amount of power. Its modular design, energy efficiency, and universal compatibility make it an excellent choice for those looking to build a powerful and quiet SFF system. Despite its higher price point and limited fan control, the power supply's advantages, such as its high power density and improved efficiency, make it a worthwhile investment for those who prioritize performance and compactness.

Recommendation:

If you're building a high-performance SFF system or mini-ITX build and require a reliable and efficient power supply with a compact form factor, the FSP Dagger Pro 850W SFX 80 Modular Power Supply is a solid choice. Its modular design, energy efficiency, and universal compatibility ensure that it can meet the demands of modern systems while maintaining a clean and organized cable setup. However, it's essential to consider its higher price point and potential noise concerns before making a purchase. If these factors are deal-breakers, you may want to explore other power supply options that better meet your specific needs and budget.

Details:

The original box shows wear. Included:: full set as pictured, Not Included: manual or any other accessories not pictured. Tested - good working order. Functional Condition.

Dagger Pro 850W SFX PSU 80 Plus Gold Fully Modular Power Supply #U3934 KS: Cosmetic condition: Scratches on the power supply.

part #: 850w prices

  • $77.12-$95.00

specifications powsuppy:

  • brand: Fsp
  • mpn: 850w
  • model: Dagger Pro 850w
  • type: Cable
  • maximum power: 850 W
  • color: Gold
  • upc: 845685013934

payments powsuppy:

  • credit card: Diners-club
  • wallet: Google-pay
  • other

general powsuppy:

  • condition: Used
  • Computers/Tablet's Networking > Computer Components Parts > Power Supplies

shipping powsuppy:

  • service: Economy
  • class: Economy
  • cost: $0.00
  • type: Fixed
  • transit: 3-7 Days

seller powsuppy:

  • city: Cleveland, Ohio
  • # reviews: 50292
  • rating: 99.7%

offer powsuppy:

  • best offers: True
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • started: June 4, 2025

returns powsuppy:

  • time: 30 Days
  • method: Money back
  • policy: Returns Accepted
  • paid by: Seller
type: cable, maximum power: 850 w,
category: computers > computers/tablets networking > computer components parts > power supplies, color: gold, sku: 7447323657626641,

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