# Power Supply Unit NZXT C850 Gold ATX 3.1 850 W

**URL:** https://aio.lv/en/product--nzxt-pa-8g2bb-eu--11095988
**Data updated:** 2025-09-05 07:22 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** NZXT
**Manufacturer code:** PA-8G2BB-EU
**EAN:** 5056547204796
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 132.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 109.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nzxt-pa-8g2bb-eu--11095988

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The NZXT C850 Gold ATX 3.1 power supply unit delivers a total power of 850 W with an AC input voltage range of 100 - 240 V. It features a 24-pin ATX motherboard power connector with a cable length of 60 cm and SATA power cables measuring 150 and 500 mm. This PSU is designed for PC use and boasts an 80 PLUS Gold certification for efficiency. The active cooling system includes a 13.5 cm fan, ensuring optimal performance. Compliance with various certifications like BIS, BSMI, and FCC guarantees reliability.

## Long description

850 Watt 80 PLUS Gold fully modular ATX 3.1 power supply designed to deliver stable, efficient power to high-performance PCs while maintaining low acoustic output. The NZXT C Series Gold ATX 3.1 PSU supports modern CPUs and GPUs, including NVIDIA GeForce RTX 40 Series cards via a dedicated 12V-2x6 cable, and features premium components and a compact form factor.
Advantages
This ATX 3.1 compliant PSU offers 80 PLUS Gold efficiency and Cybenetics Gold efficiency ratings for reduced energy loss and heat. A 135 mm FDB fan with Zero Fan Mode stops under light loads for near-silent operation. The unit uses 100% Japanese capacitors to improve hold-up time and minimize ripple noise, and its fully modular design allows tidy cable management. Compact dimensions free up space inside the case, and a 10-year warranty provides long-term reliability.
Suitable for
High-end gaming PCs with NVIDIA GeForce RTX 40 Series GPUs
Workstations requiring stable, efficient power delivery
Compact builds where space for cable routing and airflow is limited
Key specifications
Output power: 850 W
Efficiency rating: 80 PLUS Gold; Cybenetics Gold
Form factor compliance: ATX 3.1
GPU support: 12V-2x6 cable delivering up to 600 W to GeForce RTX 40 Series
Cooling: 135 mm FDB fan with Zero Fan Mode (stops under ~50% load)
Capacitors: 100% Japanese capacitors
Modularity: Fully modular with full cable set included
Warranty: 10 years
How to use
Install the PSU in an ATX-compatible case following the case and motherboard manuals. Connect only the modular cables required for your components to maintain a tidy build. Use the provided 12V-2x6 cable when installing compatible NVIDIA GeForce RTX 40 Series GPUs to ensure proper power delivery. Ensure adequate case airflow and route cables to avoid obstructing fans and vents.
Usage recommendations
For quiet operation, enable Zero Fan Mode by keeping system load below the fan-start threshold when possible. Pair the PSU with modern, efficient components to maximize energy savings and maintain stable voltages. Regularly inspect modular connections for secure seating and ensure the case provides sufficient ventilation to preserve component longevity.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Efficiency | 91.7 % |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Under voltage, Short circuit, Overheating, Over voltage, Over power, Over current |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 850 W |
| Combined power (+5V) | 15 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 22 A |
| Max output current (+12V) | 70.83 A |
| Input current | 10 - 5 |
| AC input voltage | 100 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 24-pin ATX |
| ATX Power connector (24-pin) | Yes |
| Number of SATA power connectors | 12 |
| Peripheral (Molex) power connectors (4-pin) | 4 |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Fully-Modular |
| Motherboard power cable length | 600 mm |
| SATA power cable length | 150, 500 |
| Peripheral (Molex) power cable length | 150, 500 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Gold |
| Mean time between failures (MTBF) | 100000 h |
| Noise level | 44.5 dB |
| Bearing technology | FDB |
| ATX version | 3.1 |
| EPS version | 2.92 |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 135 mm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Fan location | Top |
| Fan speed | 0 - 2300 |
| On/off switch | Yes |
| Product colour | Black |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | BIS, BSMI, CCC, Federal Communications Commission (FCC), RCM, UKCA |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 86 mm |
| Width | 150 mm |
| Depth | 160 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 50 |

### Logistics data

| Feature | Value |
|---|---|
| Warranty period | 10 year(s) |

## FAQ

### How much does the Power Supply Unit NZXT C850 Gold cost, and is it available for purchase?

The price is 132.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 354 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 06.07.2026 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 NZXT C850 Gold 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 NZXT 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 NZXT 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 NZXT C850 Gold?

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/11095988/64817755_large.webp