# Power Supply Unit Seasonic G12 GM 850 W

**URL:** https://aio.lv/en/product--seasonic-ssr-850fm--11082636
**Data updated:** 2026-02-17 11:48 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** SEASONIC
**Manufacturer code:** SSR-850FM
**EAN:** 4711173878513
**Warranty:** 5 Years
**Availability:** Available for order
**Price:** 102.49 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 84.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--seasonic-ssr-850fm--11082636

## Delivery options

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

## Summary description

The Seasonic G12 GM power supply unit delivers a total power of 850 W with an 80 PLUS Gold certification, ensuring high efficiency. It features a 20+4 pin ATX motherboard connector with a cable length of 55 cm and a Molex power cable of 690 mm. Designed for PCs, it operates on an AC input voltage of 100 - 240 V and has an active cooling system with a 12 cm fan for optimal performance.

## Long description

The Seasonic G12 GM Series is an ATX power supply available in wattages commonly used in PC systems. It meets the 80 PLUS Gold efficiency standard, delivering at least 87% efficiency at 20% load, 90% at 50% load, and 87% at 100% load. The design includes Active Power Factor Correction and an LLC resonant converter to reduce energy loss and improve stability. The unit also incorporates Seasonic's Smart and Silent Fan Control (S2FC) for optimized cooling and low noise.
Advantages
The G12 GM Series offers high energy efficiency that helps lower electricity consumption and operating costs while maintaining reliable power delivery. The LLC resonant converter enhances voltage stability and performance. S2FC provides intelligent fan management to balance thermal control and acoustic quietness, making the PSU suitable for typical desktop builds.
Key specifications
Form factor: ATX
80 PLUS certification: Gold (≥87% at 20%, 90% at 50%, 87% at 100%)
Power factor correction: Active PFC
Converter topology: LLC resonant converter
Cooling: Smart and Silent Fan Control (S2FC)
How to use
Install the power supply in a compatible ATX case following the motherboard and case manufacturer instructions. Connect the appropriate cables to the motherboard, CPU, GPU and drives, ensuring secure connections and correct pin alignment. Verify voltage selector (if present) and use a compatible power cord. Allow adequate airflow around the PSU and avoid obstructing the fan to maintain optimal cooling and performance.
Recommendations
For best results, choose a G12 GM wattage that provides sufficient headroom above your system’s typical power draw. Periodically check and clean dust from ventilation areas to preserve efficiency and quiet operation.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Power protection features | Over current, Over voltage, Short circuit |
| Combined power (+3.3V) | 100 W |
| Combined power (+12V) | 840 W |
| Combined power (+5V) | 100 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 12.5 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V) | 70 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| Input current | 10 |
| AC input voltage | 100 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 6 |
| Peripheral (Molex) power connectors (4-pin) | 3 |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Semi-Modular |
| Motherboard power cable length | 550 mm |
| CPU power cable length | 600 mm |
| Peripheral (Molex) power cable length | 690 |
| PCI Express power cable length | 700 mm |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Gold |
| Mean time between failures (MTBF) | 100000 h |
| Bearing technology | Sleeve |
| 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 |
|---|---|
| Certification | cTUVus, TUV, CB, CCC, BSMI, CE, FCC, RoHS, WEEE, ErP Lot 6, REACH |

### Weight & dimensions

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

### Operational conditions

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

### Packaging data

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

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA, Peripheral (Molex), PCIe, AC |
| Cable tie(s) included | Yes |

## FAQ

### How much does the Power Supply Unit Seasonic G12 GM cost, and is it available for purchase?

The price is 102.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 260 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 Tomorrow 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 Power Supply Unit Seasonic G12 GM 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 SEASONIC 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 SEASONIC 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.

### Where can I download the instructions for Power Supply Unit Seasonic G12 GM?

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/11082636/64817586_large.webp