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

**URL:** https://aio.lv/en/product--fspfortron-ppa8503900--10453302
**Data updated:** 2026-02-19 13:17 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** fsp/fortron
**Manufacturer code:** PPA8503900
**EAN:** 4713224527968
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 161.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 133.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fspfortron-ppa8503900--10453302

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The FSP DAGGER PRO ATX3.0(PCIe5.0) 850W power supply unit is designed for PC use, featuring a total power output of 850W. It supports an AC input voltage range of 100-240V and operates at 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 a sleek black color. Included cables: CPU, PCIe, Peripheral (Molex), and SATA.

## Long description

The FSP DAGGER PRO ATX3.0(PCIe5.0) 850W is a compact, high-efficiency power supply unit designed for modern PC systems. Delivering a total power output of 850 W and certified 80 PLUS Gold efficiency, this ATX3.0-compatible PSU supports an AC input range of 100–240 V at 50/60 Hz and includes a 20+4 pin ATX motherboard connector. The unit features a built-in active cooling solution with a 92 mm fan and comes in a black finish. Supplied cables include CPU, PCIe, Peripheral (Molex), and SATA, with cable lengths suited for typical mid-tower and compact builds.
Advantages
The FSP DAGGER PRO combines ATX3.0 and PCIe5.0 readiness with an 80 PLUS Gold efficiency rating, which helps reduce energy loss and heat generation under load. Its 850 W total output provides stable power for high-performance components while the 92 mm fan delivers targeted active cooling in a compact form factor. Cable selection includes essential connectors for modern motherboards, graphics cards, and storage devices, and measured cable lengths simplify routing in many chassis types.
Suitable for
Gaming PCs with mid to high power components
Compact and small-form-factor builds that require ATX3.0 compatibility
Workstations requiring reliable 24/7 operation and efficient power delivery
Systems using PCIe5.0-ready graphics cards
Key specifications
Total power output: 850 W
Efficiency: approximately 90% (80 PLUS Gold)
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: 92 mm active cooling
Compatibility: ATX3.0 and PCIe5.0-ready
Color: Black
How to use
Install the power supply into a compatible ATX chassis following the case manufacturer’s instructions, ensuring correct orientation for airflow and secure mounting. Connect the 20+4 pin ATX cable to the motherboard and attach the CPU, PCIe, SATA and peripheral connectors to the appropriate components. Verify AC input matches the local mains voltage (100–240 V) and ensure all connections are secure before powering on the system. Allow the PSU fan to operate unobstructed to maintain cooling efficiency.
Usage recommendations
For best results, use this PSU with systems whose total component power draw remains within the unit’s rated 850 W output and observe proper cable routing to avoid airflow obstruction. Maintain adequate case ventilation and periodically inspect cables and connections for wear or dust build-up. When pairing with high-end PCIe5.0 graphics cards, confirm required power connector types and ensure combined connector capacity meets the component specifications.

## Specifications

### Power

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

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 6 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Fully-Modular |
| Motherboard power cable length | 350 mm |
| SATA power cable length | 450 |
| CPU power cable length | 450 mm |
| PCI Express power connectors (12+4 pin) | 1 |

### Performance

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

### Design

| Feature | Value |
|---|---|
| Fan diameter | 92 mm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Fan location | Top |
| On/off switch | Yes |
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 63.5 mm |
| Width | 100 mm |
| Depth | 125 mm |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | CPU, PCIe, Peripheral (Molex), SATA |

## FAQ

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

The price is 161.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 20.07.2026 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: 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. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/fortron 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/fortron 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. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: total power, efficiency, motherboard power connector, 80 plus certification, fan diameter, product colour, 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.

## Image

https://aio.lv/img/cache/product/10453302/60105005_large.webp