# Power supply unit ASRock PRO-850G 850 W ATX 24-pin, 80 PLUS Gold, 120 mm fan, black

**URL:** https://aio.lv/en/product--asrock-pro-850g--11694939
**Data updated:** 2026-02-19 13:18 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** ASROCK
**Manufacturer code:** PRO-850G
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 83.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 69.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asrock-pro-850g--11694939

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 06.07.2026 | 1.89 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

ASRock PRO-850G is a 850 W ATX power supply designed for desktop PCs. It features a 24-pin ATX motherboard connector, universal AC input 100–240 V at 50/60 Hz, and 80 PLUS Gold efficiency. The unit has active cooling with a 120 mm fan, SATA cables (lengths 450, 570, 690 mm) and a 60 cm motherboard cable. Compact ATX form factor in black provides reliable power delivery for gaming and workstation builds.

## Long description

ASRock PRO-850G is an 850 W ATX power supply designed for desktop PCs, delivering continuous power for gaming rigs and workstation builds. The unit supports universal AC input (100–240 V, 50/60 Hz), provides a 24-pin ATX motherboard connector and includes SATA cables with lengths of 450, 570 and 690 mm as well as a 60 cm motherboard cable. Efficiency is certified 80 PLUS Gold and the power supply uses active cooling with a 120 mm fan. The compact ATX form factor and black finish fit standard cases while native PCIe 12V-2x6 connectors with dual color design help ensure correct connection during installation.
Advantages
The PRO-850G combines a high nominal output of 850 W with 80 PLUS Gold efficiency to reduce energy losses and heat generation under load. A low-noise 120 mm fan provides active cooling while keeping acoustic levels low during typical operation. Native 12V-2x6 PCIe connectors with ASRock Classic Green indicators make it easier to verify secure plug-in of GPU power cables. The unit also includes multiple SATA cable lengths to accommodate different drive layouts and a full set of protections for stable and safe operation.
Suitable for (tasks / use cases)
 Gaming desktop systems with mid to high power graphics cards
 Workstation builds requiring stable 850 W power delivery
 Systems that benefit from 80 PLUS Gold efficiency to lower operating costs
 PC builds where clear cable connection indication simplifies assembly
Key specifications
 Total power: 850 W
 Input voltage range: 100–240 V, 50/60 Hz
 Motherboard power connector: 24-pin ATX
 Efficiency certification: 80 PLUS Gold
 Cooling: 120 mm active fan
 Cable set: SATA cables (450, 570, 690 mm) and 60 cm motherboard cable
 Color: Black
 Connector design: Native PCIe 12V-2x6 with dual color indicators
How to use
Mount the ASRock PRO-850G into a compatible ATX power supply bay inside the PC case and secure it with the provided screws. Connect the 24-pin ATX cable to the motherboard main power socket and route the SATA cables and PCIe connectors to their respective devices. Ensure AC input is within 100–240 V and use a grounded mains outlet. Power on the system and verify stable operation; check that the ASRock Classic Green connector indicators align to confirm secure PCIe connections.
Usage recommendations
Install the power supply in a chassis with sufficient ventilation, keep cable routing tidy to preserve airflow, and perform periodic dust cleaning on the 120 mm fan to maintain cooling efficiency and low noise. Use the native PCIe 12V-2x6 connectors as intended and follow component manufacturer guidelines for GPU power requirements.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Power protection features | Over power, Overheating, Under voltage, Over voltage, Short circuit, Over current |
| Max output current (+12V) | 70.8 A |
| Input current | 12 - 6 |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 24-pin ATX |
| Number of SATA power connectors | 4 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 2 |
| Motherboard power cable length | 600 mm |
| SATA power cable length | 690, 450, 570 |
| EPS power connector (4+4 pin) | Yes |
| PCI Express power connectors (12+4 pin) | 1 |
| Number of SATA power cables | 2 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Gold |
| Mean time between failures (MTBF) | 100000 h |
| ATX version | 3.1 |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 120 mm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| On/off switch | Yes |
| Product colour | Black |
| Illumination | No |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 86 mm |
| Width | 150 mm |
| Depth | 140 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package type | Box |

### Logistics data

| Feature | Value |
|---|---|
| Warranty period | 3 year(s) |

## FAQ

### How much does the ASRock PRO-850G 850 W ATX PSU cost, and is it available for purchase?

The price is 83.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 Wednesday 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can ASRock PRO-850G 850 W ATX PSU 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 ASROCK 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 ASROCK 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, 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/11694939/67065698_large.webp