# Power supply unit LC-Power LC6850B-SI V3.1 850 W, 20+4 pin ATX, 80 PLUS Bronze

**URL:** https://aio.lv/en/product--lc-power-lc6850b-si-v31--11251306
**Data updated:** 2026-02-18 14:37 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** LC-Power
**Manufacturer code:** LC6850B-SI V3.1
**EAN:** 4262443280692
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 39.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lc-power-lc6850b-si-v31--11251306

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The LC-Power LC6850B-SI V3.1 is an ATX power supply unit delivering 850 W total power with a 20+4 pin ATX motherboard connector and 80 PLUS Bronze efficiency. It supports AC input 100–240 V, has compact dimensions (150×150×86 mm) and weighs 1.88 kg. Suited for desktop PC builds requiring reliable mid-range power and energy efficiency.

## Long description

The LC-Power LC6850B-SI V3.1 is an ATX power supply unit rated for 850 W total output. It provides a 20+4 pin ATX motherboard connector and meets 80 PLUS Bronze efficiency standards for reliable operation across a wide AC input range of 100–240 V. With compact dimensions of 150×150×86 mm and a weight of 1.88 kg, this PSU is designed for use in desktop PC builds that require stable mid-range power delivery and improved energy efficiency.
Advantages
The unit delivers a continuous 850 W output suitable for mainstream systems and supports universal mains voltages, which simplifies deployment in different regions. 80 PLUS Bronze certification ensures a balance between efficiency and cost, reducing wasted energy and heat compared with non-certified supplies. Its compact footprint helps compatibility with many ATX-compatible cases while keeping installation straightforward through a standard 20+4 pin connector.
Suitable for
 Mid-range desktop PCs with single GPU configurations
 Office and home systems requiring stable mains compatibility (100–240 V)
 System builders looking for cost-effective, energy-efficient PSUs
 Upgrades where an 850 W output and standard ATX connector are required
Key specifications
 Total power: 850 W
 Motherboard power connector: 20+4 pin ATX
 Efficiency certification: 80 PLUS Bronze
 AC input range: 100–240 V
 Dimensions (W×D×H): 150 × 150 × 86 mm
 Weight: 1.88 kg
How to use
Install the PSU into a compatible ATX case following standard safety precautions: disconnect mains power before installation, secure the unit to the case with the supplied screws, and connect the 20+4 pin ATX connector to the motherboard. Connect other required peripheral and GPU power cables as appropriate for your system. After all connections are made, verify wiring and ensure proper airflow around the unit before powering the system on.
Usage recommendations
For reliable performance, use this 850 W PSU in systems whose combined component power draw stays below the unit's continuous rating, and allow for headroom to accommodate peak loads. Ensure the case provides adequate ventilation and keep dust away from vents and fan areas. If using high-end multi-GPU setups or heavily overclocked CPUs, consider a higher-wattage or higher-efficiency model.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| AC input voltage | 100 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Bronze |
| Power supply unit (PSU) form factor | ATX |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.88 kg |
| Height | 86 mm |
| Width | 150 mm |
| Depth | 150 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 2120 g |
| Package depth | 245 mm |
| Package height | 113 mm |
| Package width | 200 mm |
| Package type | Box |

## FAQ

### How much does the LC-Power LC6850B-SI V3.1 PSU 850 W cost, and is it available for purchase?

The price is 47.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 79 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 13.07.2026 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. 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 LC-Power 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 LC-Power 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, weight, 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/11251306/67053382_large.webp