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header-product Power Supply Unit FSP DAGGER PRO ATX3.0(PCIe5.0) 850W
139.99 €

Power Supply Unit FSP DAGGER PRO ATX3.0(PCIe5.0) 850W

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Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) Photo 1
Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) Photo 2
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Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) Photo 4
Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) Photo 5
Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) Photo 6
Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) Photo 7
Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) Photo 1
Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) Photo 2
Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) Photo 3
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Short description

The FSP DAGGER PRO ATX3.0(PCIe5.0) 850W power supply unit is designed for PCs, featuring a total power output of 850W. It supports an AC input voltage range of 100-240V and a frequency of 50/60Hz. The unit includes a 20+4 pin ATX motherboard power connector with a cable length of 35 cm, and a SATA power cable length of 450 mm. It is certified with 80 PLUS Gold for high efficiency, has an active cooling system with a 9.2 cm fan, and comes in black. Included cables: CPU, PCIe, Peripheral (Molex), and SATA.
Available at price 139.99 €: 9 pcs.
Total available for order: 24 pcs.
Warranty: 2 Years
SKU: 11346366
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Cheapest delivery:

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Pick-up points

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Cost

1.99 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
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19.11.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 2.04 kg)
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From 1.99 €
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Product information

Description

The FSP DAGGER PRO ATX3.0(PCIe5.0) 850W is a compact ATX power supply unit designed for desktop computers requiring stable 850 W output. It supports universal AC input from 100–240 V at 50/60 Hz and delivers high efficiency with 80 PLUS Gold certification. The unit features an ATX 20+4 pin motherboard connector and a range of included cables for CPU, PCIe, peripheral (Molex) and SATA connections. Cooling is provided by an active fan with a 92 mm diameter housed in a black enclosure suitable for modern PC builds.

Advantages

The FSP DAGGER PRO provides an 850 W continuous output with 80 PLUS Gold efficiency, which reduces energy losses and heat generation. Its ATX3.0 and PCIe5.0 compatibility ensure support for current-generation motherboards and graphics cards that require updated power delivery. The compact design and included cable set simplify installation in standard ATX cases while the 92 mm fan supplies active cooling to help maintain stable operation under load.

Suitable for

  • Mid-range to high-end gaming PCs requiring up to 850 W total power
  • Workstations with discrete graphics cards compatible with PCIe5.0
  • PC builds needing an 80 PLUS Gold certified power supply for improved efficiency
  • Systems where a compact black PSU with standard cable lengths is preferred

Key specifications

  • Total power: 850 W
  • Efficiency: 80 PLUS Gold (approximately 90% efficiency under typical load)
  • AC input voltage: 100–240 V
  • Input frequency: 50/60 Hz
  • Motherboard connector: 20+4 pin ATX; cable length 35 cm
  • SATA power cable length: 450 mm
  • Fan diameter: 92 mm (active cooling)
  • Colour: Black
  • Included cables: CPU, PCIe, Peripheral (Molex), SATA

How to use

Switch off and unplug the computer before installing the power supply. Mount the FSP DAGGER PRO into the case following the chassis manufacturer’s orientation for the fan and bracket. Connect the 20+4 pin ATX cable to the motherboard main power socket and attach CPU, PCIe, SATA and peripheral connectors to the corresponding components as required. Verify all connections are secure, set the AC input to the correct mains if an external selector is present, and plug the AC cord into a properly rated wall outlet. Power on the system and confirm stable startup and normal fan operation.

Usage recommendations

Use this PSU within its rated 850 W total output and maintain good case airflow to optimize efficiency and cooling. Match PCIe connector types and counts to your graphics card requirements, and avoid exceeding recommended cable extension or adapter usage to prevent voltage drop and overheating.

Specifications

80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
SFX
Purpose: What the product is used for.
PC
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
2
Motherboard power connector: The way in which the motherboard is connected to the power supply.
20+4 pin ATX
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
850 W
All features

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
63.5 mm
Depth: The distance from the front to the back of something.
125 mm
Width: The measurement or extent of something from side to side.
100 mm

Packaging content

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

Design

On/off switch: The button which is pressed to switch the device on or off.
Yes
Fan location:
Top
Number of fans: The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation).
1 fan(s)
Fan diameter: The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan.
92 mm
Cooling type: The method used to cool the device or to cool the air around the device.
Active
Product colour: The colour e.g. red, blue, green, black, white.
Black

Performance

Bearing technology:
Ball bearing
ATX version: ATX (Advanced Technology eXtended) is a motherboard form factor specification developed by Intel in 1995. The specification defines the key mechanical dimensions, mounting point, I/O panel, power and connector interfaces between a computer case, a motherboard and a power supply. There are many versions of ATX including ATX12V 1.x and ATX12V v2.3.
3.0
80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
SFX
Purpose: What the product is used for.
PC

Ports & interfaces

Cabling type:
Fully-Modular
CPU power cable length:
450 mm
CPU power connector (4+4 pin):
Yes
PCI Express power connectors (12+4 pin):
1
PCI Express power connectors (6+2 pin):
2
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
2
SATA power cable length:
450
Number of SATA power connectors:
6
Motherboard power cable length:
350 mm
Motherboard power connector: The way in which the motherboard is connected to the power supply.
20+4 pin ATX

Power

Power protection features: Features that protect the device against power problems e.g. overload.
Overheating, Short circuit, Over power, Over current, Over voltage
Efficiency:
90 %
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
AC input frequency:
50/60
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
850 W

Description

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Stock data
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BT5 9 Friday Best delivery
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Warehouse: EU85

Customer reviews

Customer questions

FAQ

How much does the Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) cost, and is it available for purchase?

The price is 139.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 24 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Friday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Power Supply FSP DAGGER PRO ATX3.0(PCIe5.0) online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All FSP products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized FSP service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: 80 plus certification, power supply unit (psu) form factor, purpose, peripheral (molex) power connectors (4-pin), motherboard power connector, ac input voltage, total power, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
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