FSP Dagger PRO 850W ATX 3.1 PCIe 5.1 80 Plus Gold Modular SFX Power Supply

FSP Dagger PRO 850W ATX 3.1 PCIe 5.1 80 Plus Gold Modular SFX Power Supply

FSP Dagger PRO 850W ATX 3.1 PCIe 5.1 80 Plus Gold Modular SFX Power Supply

Overall Rating: 4.7 / 5 (average from multiple review sources, as of 26 May 2026)
Based on a total of 28,778 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Price
Unknown
PayPal PayPal Visa Visa Mastercard Mastercard AmazonPay AmazonPay
£139.99
Delivery from £3.99

FSP DAGGER PRO ATX3.0(PCIe5.0) 850W power supply unit 20+4 pin ATX SFX Black

Overall Rating: 4.6 / 5 (average from multiple review sources, as of 27 May 2026)
Based on a total of 483 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
3-5 working days
PayPal PayPal Visa Visa Mastercard Mastercard Google Checkout Google Checkout
£147.99
Free Delivery

SFX ATX 12V 3.1 PCIe 5.1 80 PLUS GOLD 230V EU Active PFC MIA IC chip set inside

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 23 May 2026)
Based on a total of 23,617 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 8 working days of receiving cleared payment.
PayPal PayPal Visa Visa Mastercard Mastercard
£156.85
Free Delivery

FSP DAGGER PRO 850W Power supply unit SFX SFX3.3 Black

Overall Rating: 4.7 / 5 (average from multiple review sources, as of 1 Jun 2026)
Based on a total of 886 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Next Day
PayPal PayPal Visa Visa Mastercard Mastercard
£160.14
Free Delivery

FSP Dagger Pro 850w Power Supply Unit Sfx Sfx3.3 Black FSP Black

Overall Rating: 2.6 / 5 (average from multiple review sources, as of 25 May 2026)
Based on a total of 54,357 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
3-5 working days
£170.00

FSP (FORTRON Alimentation 850W SFX Gen5*SDA2-850

Overall Rating: 4.8 / 5 (average from multiple review sources, as of 28 May 2026)
Based on a total of 252 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 2 to 3 days
Direct debit Direct debit Visa Visa Mastercard Mastercard
£188.27
Delivery from £19.08

FSP (FORTRON Alimentation 850W SFX Gen5*SDA2-850

Overall Rating: 4.8 / 5 (average from multiple review sources, as of 28 May 2026)
Based on a total of 252 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
In stock
Direct debit Direct debit Visa Visa Mastercard Mastercard
£189.39
Delivery from £13.99

FSP (FORTRON Alimentation 850W SFX Gen5*SDA2-850

Overall Rating: 4.8 / 5 (average from multiple review sources, as of 28 May 2026)
Based on a total of 252 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 2 to 3 days
Direct debit Direct debit Visa Visa Mastercard Mastercard
£203.37
Free Delivery

FSP (FORTRON Alimentation 850W SFX Gen5*SDA2-850

Overall Rating: 4.8 / 5 (average from multiple review sources, as of 28 May 2026)
Based on a total of 252 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 3 to 4 days
Direct debit Direct debit Visa Visa Mastercard Mastercard
£207.53
Delivery from £13.99
  • 1
  • 2

🤖 Ask ChatGPT

Product Information

Weight & dimensions

Height 63.5 mm
Depth 125 mm
Width 100 mm

Packaging content

Cables included CPU, PCIe, Peripheral (Molex), SATA

Design

On/off switch Yes
Fan location Top
Number of fans 1 fan(s)
Fan diameter 9.2 cm
Cooling type Active
Product colour Black

Performance

Bearing technology Ball bearing
80 PLUS certification 80 PLUS Gold
ATX version 3.0
Power supply unit (PSU) form factor SFX
Purpose PC

Ports & interfaces

Cabling type Fully-Modular
Motherboard power connector 20+4 pin ATX
CPU power cable length 45 cm
CPU power connector (4+4 pin) Yes
PCI Express power connectors (12+4 pin) 1
PCI Express power connectors (12+4 pin) cable length 500 mm
PCI Express power connectors (6+2 pin) 2
Peripheral (Molex) power connectors (4-pin) 2
SATA power cable length 450 mm
Number of SATA power connectors 6
Motherboard power cable length 35 cm

Power

Power protection features Over current, Over power, Over voltage, Overheating, Short circuit
Efficiency 90%
AC input voltage 100 - 240 V
Total power 850 W
Max output current (+5Vsb) 2.5 A
Max output current (-12V) 0.3 A
Max output current (+5V) 20 A
Max output current (+12V) 70.83 A
Max output current (+3.3V) 20 A
Combined power (+5Vsb) 12.5 W
Combined power (-12V) 3.6 W
Combined power (+5V) 120 W
Combined power (+12V) 850 W
Combined power (+3.3V) 120 W
Power Factor Correction (PFC) type Active
Input current 12-6 A
AC input frequency 50/60 Hz

Product information

At a glance

  • High Efficiency: 80 PLUS Gold rated for energy savings.
  • Compact Design: Fits easily in various cases.
  • Safety Features: Comprehensive protection for components.

Note: This text was created with the help of AI.

Power Up Your Build with the FSP GROUP DAGGER Pro ATX 3.0 850W

The FSP GROUP DAGGER Pro ATX 3.0 850W is an exceptional choice for gamers, PC builders, and tech enthusiasts alike. If you're looking for reliable PSUs that deliver robust performance and efficiency, this power supply unit has you covered. Its 850W output means it can easily power high-end components, making it ideal whether you're gaming, working on graphic design, or running intensive applications. With cutting-edge technology and a focus on stability, this PSU is designed to support your creative and gaming passions.

Unmatched Performance and Efficiency

One of the standout features of the FSP GROUP DAGGER Pro is its impressive 80 PLUS Gold certification. This ensures that you get high efficiency, translating to lower energy costs and minimal heat generation. With full modular cables, you can customize your setup to your liking, reducing clutter and improving airflow within your case. Plus, the advanced thermal control keeps the fan quiet and efficient, allowing you to focus on what matters—your work or your game. Whether you’re running demanding software or playing the latest titles, this PSU promises to deliver uncompromised performance.

Sleek Design and Build Quality

Aesthetically pleasing, the DAGGER Pro showcases a sleek and modern design that will complement any build. Its compact form factor means it fits snugly in most cases, without sacrificing performance. The high-quality materials used in its construction assure durability and longevity, while the clean black finish adds a touch of elegance to your setup. The modular cables are also designed with an emphasis on aesthetics, featuring a flat design that reduces visibility and enhances cable management, making your rig not only powerful but also visually appealing.

Safety Features You Can Count On

The FSP GROUP DAGGER Pro is not only powerful but also packed with essential safety features to protect your components. Equipped with over-voltage, under-voltage, over-current, and short-circuit protection, you can rest easy knowing that your valuable hardware is safe from potential damage. This PSU is also designed to operate at a wide temperature range, ensuring stable operation even in less-than-ideal conditions. With a 5-year warranty, you’re not just buying a PSU; you’re investing in peace of mind and reliability.

Note: This text was created with the help of AI.

How well did the information meet your expectations and assist you further?

Not at all Neutral Very much

Similar products

Fortron Fsp Dagger Pro 650 650w Modular Power Supply
Fortron Fsp Dagger Pro 650 650w Modular Power Supply
£131.87
Compare 6 prices
debenhams.com
FSP Dagger PRO ATX3.0 (PCIe5.0) 850W SFX 12V V4.0 Compliance with Newest ATX12V V3.0 GEN 5. Power Supply.W/ 12VHPWR Cable (SDA2-850,GEN5)
FSP Dagger PRO ATX3.0 (PCIe5.0) 850W SFX 12V V4.0 Compliance with Newest ATX12V V3.0 GEN 5. Power Supply.W/ 12VHPWR Cable (SDA2-850,GEN5)
£154.70
Go to shop
Amazon-marketplace.co.uk
Delivery from £16.96
FSP (FORTRON Alimentation 850W *SDA2-850 WH
FSP (FORTRON Alimentation 850W *SDA2-850 WH
£258.00
Go to shop
Amazon-marketplace.co.uk
Delivery from £14.12
FSP Dagger PRO 850W ATX 3.1 PCIe 5.1 80 Plus Gold Modular SFX Power Supply

Cheapest offer

Compliant with SFX12V V3.3 Efficiency ≧ 90% at typical load MIA IC (Multiple Intelligence Ability) chip set inside Semi-fanless design for silent operation Quiet and long-lasting 92mm ball bearing fan All black ribbon cables Powerful single +12V rail design Japanese electrolytic capacitors Full protections OCP, OVP, SCP, OPP, OTP Tiny but PowerfulThe DAGGER PRO series is compatible with most Mini-ITX and Micro ATX small form factor PCs. It is an ideal for home computer rigs but a great alternative for mini-PC enthusiasts.Advanced Cable Management and Flat Ribbon CablesFully-modular design and flat ribbon cables provide easier installation. An ideal solution for applications with space constraints, enhancing overall airflow efficiency and cable management.92mm Fan Optimized for Low-noise OperationDagger PRO is included an advanced semi-fanless design that will spin over 20% loading, make silent and reduce noise under maximum operation.80 Plus® Gold CertificationDagger PRO series is a po
£139.99
Unknown
overclockers.co.uk
Don't forget your voucher code: