# Power Supply Unit Chieftec Polaris 3.0 850W

**URL:** https://aio.lv/en/product--chieftec-pps-850fc-a3--10461540
**Data updated:** 2025-12-30 08:41 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** CHIEFTEC
**Manufacturer code:** PPS-850FC-A3
**EAN:** 753263078131
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 205.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 169.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--chieftec-pps-850fc-a3--10461540

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Chieftec Polaris 3.0 850W power supply unit features a 20+4 pin ATX connector, providing stable power for your PC. With an input voltage range of 100-240V and a frequency of 50/60Hz, it ensures compatibility with various systems. The PSU is 80 PLUS Gold certified for high efficiency, has an active cooling system with a 13.5 cm fan, and comes with a 65 cm motherboard power cable and SATA cables of 100 and 550 mm. It meets multiple compliance standards including RoHS and CE.

## Long description

The CHIEFTEC Polaris 3.0 850W power supply unit complies with Intel ATX 3.0 and supports PCIe Gen5 devices while offering 80 PLUS Gold efficiency. It uses an LLC half-bridge converter with DC-to-DC technology and Japanese main capacitors to maintain low ripple and stable voltages. The fully modular cable design and a 135 mm FDB fan provide flexible installation, reliable cooling and straightforward cable management for desktop systems.
Advantages
The PSU delivers 850 W of continuous power with a 20+4 pin ATX motherboard connector and wide input compatibility (100–240 V, 50/60 Hz). Japanese main capacitors and accurate voltage regulation reduce electrical noise and improve stability. The 135 mm fluid-dynamic bearing fan balances cooling performance and low noise, and fully modular cabling allows tidy builds and easy component changes. The unit is 80 PLUS Gold certified, meeting efficiency and environmental standards such as RoHS and CE.
Suitable for
 High-performance gaming PCs with PCIe Gen5 graphics cards
 Workstations requiring stable 850 W power delivery
 Custom builds where modular cabling and neat airflow are important
 Systems needing compatibility with ATX 3.0 and modern power standards
Key specifications
 Total power: 850 W
 Motherboard power connector: 20+4 pin ATX
 Certification: 80 PLUS Gold
 Fan diameter: 135 mm (FDB)
 Input: 100–240 V, 50/60 Hz
 Weight: 2.89 kg
 Colour: Black
 MPN: PPS-850FC-A3, EAN: 753263078131
How to use
Install the PSU in a compatible ATX 3.0 case following the motherboard and case manufacturer instructions. Connect the 20+4 pin ATX cable to the motherboard, attach modular PCIe and peripheral cables as required for GPU, drives and other devices, and ensure the input voltage selector (if present) matches your mains supply. Secure all connections before powering on the system and verify stable operation under load.
Usage recommendations
Use this CHIEFTEC Polaris 3.0 850W PSU in systems with adequate case ventilation, avoid prolonged operation near high ambient temperatures, and periodically check cables and connections for wear. For optimal efficiency and lifespan, match system load to the PSU capacity and keep firmware/drivers for system components up to date.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Under voltage, Short circuit, Overload, Over voltage, Over current |
| Power factor | 0.9 |
| Combined power (+3.3V) | 120 W |
| Combined power (+5V) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 22 A |
| Max output current (+5V) | 22 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 12-8 |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |
| Max output current (+12V1) | 70.8 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 12 |
| Peripheral (Molex) power connectors (4-pin) | 4 |
| EPS power connector (8-pin) | Yes |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Fully-Modular |
| Motherboard power cable length | 650 mm |
| SATA power cable length | 100, 550 |
| Peripheral (Molex) power cable length | 100, 550 |
| PCI Express power connectors (16-pin) | 1 |

### Performance

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

### Design

| Feature | Value |
|---|---|
| Fan diameter | 135 mm |
| Cooling type | Active |
| Product colour | Black |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | RoHS, Federal Communications Commission (FCC), EAC, CB, CE |

### Technical details

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 2.89 kg |
| Height | 86 mm |
| Width | 150 mm |
| Depth | 160 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 3240 g |
| Package type | Box |

### Logistics data

| Feature | Value |
|---|---|
| Warranty period | 5 year(s) |

## FAQ

### How much does the Power Supply Chieftec Polaris 3.0 cost, and is it available for purchase?

The price is 205.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 23.07.2026 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. All transactions are 100% secure and encrypted.

### 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 CHIEFTEC 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 CHIEFTEC 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, motherboard power connector, 80 plus certification, fan diameter, weight, 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.

### Where can I download the instructions for Power Supply Chieftec Polaris 3.0?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10461540/64809137_large.webp