# Power Supply Unit COUGAR Gaming GST 850 W

**URL:** https://aio.lv/en/product--cougar-gst850--11397807
**Data updated:** 2025-12-30 21:15 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** Cougar
**Manufacturer code:** GST850
**EAN:** 4710483778186
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 108.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 89.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cougar-gst850--11397807

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The COUGAR Gaming GST power supply unit offers a total power of 850 W with an 80 PLUS Gold certification for high efficiency. It supports a 20+4 pin ATX motherboard connector and includes cables of varying lengths for flexible installation. With an active cooling system and a 12 cm fan, it ensures optimal performance and reliability. Designed for PCs, it operates on an AC input voltage of 100 - 240 V and frequency of 50/60 Hz, making it versatile for different setups.

## Long description

The COUGAR Gaming GST 850 W power supply provides 850 watts of continuous power with 80 PLUS Gold efficiency, supporting modern systems and next-generation graphics cards. It features a native PCIe 12V-2X6 (12+4 pin) connector, complies with Intel ATX 3.1 and PCIe 5.1 standards, and is designed to operate reliably in up to 40°C ambient temperatures. The unit includes a 20+4 pin ATX motherboard connector, a 120 mm HDB cooling fan, and multiple cables with generous lengths to simplify PC installation.
Advantages
This PSU delivers up to 91% conversion efficiency to reduce energy consumption and lower operating costs while providing stable power to all components. Its native 12V-2X6 PCIe connector enables direct support for next-generation GPUs without adapters. The design meets ATX 3.1 power excursion requirements and uses 105°C Japanese capacitors plus LLC and DC-DC regulation to maintain tight voltage regulation (±3%). A 120 mm HDB fan with temperature-controlled speed balances cooling performance and low noise.
Suitable for
High-performance gaming PCs with next-generation graphics cards
Workstations that require stable 12V power and tight voltage regulation
System builds in warm environments (up to 40°C)
Users who prefer a non-modular PSU with long cables for flexible routing
Key specifications
Total power: 850 W
Efficiency: 91% (80 PLUS Gold)
ATX standard: ATX 3.1 compliant
PCIe support: PCIe 5.1, native 12V-2X6 (12+4 pin) connector
Motherboard connector: 20+4 pin ATX
Fan diameter: 120 mm HDB
Operating temperature: up to 40°C
Weight: 2.22 kg
Color: Black
How to use
Install the PSU into a compatible ATX case, secure it with the supplied mounting screws, and connect the 20+4 pin ATX cable to the motherboard. Use the native 12+4 pin PCIe cable to power a compatible GPU directly; do not use 6+2 pin adapters for PCIe 5.1 cards unless explicitly required by the GPU manufacturer. Ensure all peripheral and SATA connectors are properly seated. Connect the mains power cable to a grounded AC outlet with appropriate voltage (100–240 V, 50/60 Hz) before powering on the system.
Usage recommendations
To maximize reliability and lifespan, allow adequate case airflow around the PSU, avoid blocking the fan intake, and ensure the system operates within the specified ambient temperature. Periodically check cable connections and keep dust from accumulating on the fan and vents.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Efficiency | 91 % |
| 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) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V) | 70.8 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 12 - 6 |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| PCI Express connector | Yes |
| Number of SATA power connectors | 8 |
| Peripheral (Molex) power connectors (4-pin) | 4 |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 4 |
| Cabling type | Non-Modular |
| Motherboard power cable length | 550 mm |
| SATA power cable length | 450, 150 |
| CPU power cable length | 600 mm |
| Peripheral (Molex) power cable length | 450, 150 |
| PCI Express power cable length | 550 mm |
| PCI Express power connectors (12+4 pin) | 1 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Gold |
| Bearing technology | HDB |
| 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 |

### Certificates

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 2.22 kg |
| Height | 86 mm |
| Width | 150 mm |
| Depth | 140 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 20 - 85 |
| Storage temperature (T-T) | -40 - 70 |
| Operating temperature (T-T) | 10 - 40 |
| Storage relative humidity (H-H) | 5 - 95 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 3020 g |
| Package depth | 290 mm |
| Package height | 105 mm |
| Package width | 215 mm |

## FAQ

### How much does the Power Supply COUGAR Gaming GST cost, and is it available for purchase?

The price is 108.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 132 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 02.07.2026 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 COUGAR Gaming GST 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 Cougar 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 Cougar 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, 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 COUGAR Gaming GST?

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/11397807/66198462_large.webp