# Power Supply Unit Chieftec BDF-850C 850 W

**URL:** https://aio.lv/en/product--chieftec-bdf-850c--356586
**Data updated:** 2025-12-28 21:16 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** CHIEFTEC
**Manufacturer code:** BDF-850C
**EAN:** 4710713231306
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 127.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 105.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--chieftec-bdf-850c--356586

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

The Chieftec BDF-850C is a high-performance 850 W power supply unit designed for PCs. It features a fully-modular cabling system for easy installation and cable management. With an AC input voltage range of 115 - 230 V and a frequency of 50 - 60 Hz, it ensures compatibility with various power sources. The 20+4 pin ATX motherboard connector provides reliable power delivery. Certified with 80 PLUS Bronze, it offers efficient energy usage. The active cooling system with a 14 cm fan ensures optimal temperature management. Dimensions: 150 mm (W) x 140 mm (D) x 87 mm (H).

## Long description

The Chieftec BDF-850C 850 W is a fully‑modular power supply unit from the PROTON Series that uses DC‑to‑DC conversion to provide stable, efficient power for desktop PCs. Certified 80 PLUS Bronze and compliant with ENERGY STAR 5.0 and EU requirements, it delivers 850 W total power with an 85% efficiency rating, a 20+4 pin ATX motherboard connector and an active cooling solution with a 140 mm fan. The compact housing measures 150 x 140 x 87 mm and comes in black.
Advantages
The DC‑to‑DC design increases voltage stability and improves overall efficiency, contributing to longer component lifetime. A fully‑modular cable system simplifies installation and cable management. 80 PLUS Bronze certification confirms reduced energy losses and compliance with ENERGY STAR 5.0 and higher requirements.
Suitable for
 Gaming and high‑performance desktop PCs requiring up to 850 W
 System builders who prefer a fully‑modular PSU for cleaner cable routing
 Upgrading older systems to improve power efficiency and component longevity
Key specifications
 Total power: 850 W
 Efficiency: 85% (80 PLUS Bronze)
 Motherboard connector: 20+4 pin ATX
 Fan diameter: 140 mm (active cooling)
 AC input: 115–230 V, 50–60 Hz
 Dimensions (W x D x H): 150 x 140 x 87 mm
 Colour: Black
How to use
Install the Chieftec BDF-850C into a compatible PC case using standard PSU mounting points. Connect the 20+4 pin ATX cable to the motherboard and attach modular cables to components (GPU, drives, peripherals) as required. Ensure the AC input matches local mains voltage (115–230 V) and secure all connections before powering on the system. Maintain airflow around the 140 mm fan to allow proper cooling.
Usage recommendations
Use the fully‑modular cabling to attach only the required connectors to reduce clutter and improve case airflow; verify system power draw to ensure the 850 W capacity meets peak load requirements.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Efficiency | 85 % |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Overload, Overheating, Over voltage, Over current, Short circuit, Under voltage |
| Power factor | 0.9 |
| Combined power (+3.3V) | 140 W |
| Combined power (+5V) | 140 W |
| Max output current (+3.3V) | 22 A |
| Max output current (+12V) | 70.5 A |
| Max output current (+5V) | 22 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| AC input frequency | 50 - 60 |
| AC input voltage | 115 - 230 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Floppy disk drive connector | Yes |
| Number of SATA power connectors | 9 |
| Peripheral (Molex) power connectors (4-pin) | 3 |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 4 |
| Cabling type | Fully-Modular |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Bronze |
| ATX version | 2.3 |
| Power supply unit (PSU) form factor | PS/2 |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 140 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 | 87 mm |
| Width | 150 mm |
| Depth | 140 mm |

### Packaging data

| Feature | Value |
|---|---|
| Manual | Yes |
| Package type | Box |

### Other features

| Feature | Value |
|---|---|
| Warranty card | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

## FAQ

### How much does the Power Supply Unit Chieftec BDF-850C cost, and is it available for purchase?

The price is 127.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 39 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 10.07.2026 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 Unit Chieftec BDF-850C 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 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, 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.

### Where can I download the instructions for Power Supply Unit Chieftec BDF-850C?

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/356586/64773424_large.webp