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header-product Power Supply Unit Seasonic Focus GX 850 W
130.49 €

Power Supply Unit Seasonic Focus GX 850 W

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Power Supply Unit Seasonic Focus GX Photo 1
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Short description

The Seasonic Focus GX 850 W power supply unit is designed for PC use, featuring a total power output of 850 W. It supports AC input voltage from 100 to 240 V and operates at a frequency of 50/60 Hz. The unit includes a 20+4 pin ATX motherboard power connector with a cable length of 61 cm, and SATA power cables of varying lengths (450, 810, 860 mm). Certified with 80 PLUS Gold for high efficiency, it features active cooling with a 12 cm fan. The package includes all necessary cables: AC, CPU, PCIe, and Molex to SATA.
Available at price 130.49 €: 10 pcs.
Total available for order: 759 pcs.
Warranty: 2 Years
SKU: 11093949
Manufacturer: SEASONIC
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Cheapest delivery:

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Pick-up points

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Cost

1.79 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
11.08.2026 {{selectedOffer.officeDeliveryString}}
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14.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 3.38 kg)
Parcel couriers
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From 1.79 €
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Product information

Description

The Seasonic Focus GX 850 W is a compact ATX power supply unit delivering 850 W of continuous power for desktop PCs. It is 80 PLUS Gold certified for high efficiency and accepts 100–240 V AC input at 50/60 Hz. The unit comes with a 20+4 pin ATX motherboard connector and a full set of cables including CPU, PCIe, SATA and Molex adapters. Cooling is handled by a 120 mm fan with Seasonic’s hybrid thermal control that provides fanless operation up to light loads and automatic silent or cooling modes as required.

Advantages

The Focus GX 850 W combines high efficiency (80 PLUS Gold) with a robust 850 W output suited to demanding systems. Seasonic’s S3FC three-phased thermal control enables fanless operation at low loads and switches smoothly between Fanless, Silent and Cooling modes for quiet, reliable performance. A high-quality Fluid Dynamic Bearing (FDB) fan reduces noise and improves lifespan compared with ball-bearing designs. The PSU is supplied with a complete set of cables and a 20+4 pin ATX connector, with cable lengths suitable for typical mid-tower and full-tower builds.

Suitable for

  • High-performance gaming PCs and workstations requiring up to 850 W
  • Systems where efficiency and low noise are priorities
  • Mid-tower and full-tower desktop builds using standard ATX wiring

Key specifications

  • Total power: 850 W
  • 80 PLUS certification: 80 PLUS Gold
  • AC input: 100–240 V, 50/60 Hz
  • Motherboard connector: 20+4 pin ATX (cable length 61 cm)
  • Fan diameter: 120 mm (Fluid Dynamic Bearing)
  • Colour: Black

How to use

Install the Seasonic Focus GX 850 W into a standard ATX PSU bay following your case manufacturer’s instructions. Connect the 20+4 ATX main connector to the motherboard, then attach the CPU 4/8-pin, PCIe and SATA/Molex cables to the corresponding components. Ensure AC mains voltage is within 100–240 V and use the supplied power cable. For optimal airflow, position the fan intake according to your case layout and route cables to avoid obstructing airflow.

Usage recommendations

For quiet operation, allow the hybrid S3FC control to manage the fan automatically; the unit remains fanless under light load (up to approximately 30% load) and engages silent or cooling modes as system demand increases. Periodically check and clean vents and the fan to maintain cooling efficiency.

Specifications

80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC
Motherboard power connector: The way in which the motherboard is connected to the power supply.
20+4 pin ATX
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
850 W
All features

Logistics data

Warranty period:
10 year(s)

Technical details

Sustainability compliance:
Yes
Sustainability certificates:
ErP, ENERGY STAR

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
86 mm
Depth: The distance from the front to the back of something.
140 mm
Width: The measurement or extent of something from side to side.
150 mm

Certificates

Certification:
cTUVus, TUV, CB, CCC, BSMI, EAC, CE, Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
EAC, CE, CCC, CB, BSMI, REACH, RoHS, cTUVus, WEEE

Packaging content

Cable tie(s) included:
Yes
Cables included:
SATA, Peripheral (Molex) to SATA 3.3, Peripheral (Molex), PCIe, CPU, AC

Operational conditions

Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 50

Design

On/off switch: The button which is pressed to switch the device on or off.
Yes
Number of fans: The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation).
1 fan(s)
Fan diameter: The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan.
120 mm
Cooling type: The method used to cool the device or to cool the air around the device.
Active
Product colour: The colour e.g. red, blue, green, black, white.
Black

Performance

Mean time between failures (MTBF): Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.
100000 h
Bearing technology:
FDB
Silent mode:
Yes
ATX version: ATX (Advanced Technology eXtended) is a motherboard form factor specification developed by Intel in 1995. The specification defines the key mechanical dimensions, mounting point, I/O panel, power and connector interfaces between a computer case, a motherboard and a power supply. There are many versions of ATX including ATX12V 1.x and ATX12V v2.3.
3.0
80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC

Ports & interfaces

Cabling type:
Fully-Modular
PCI Express connector:
Yes
CPU power cable length:
650 mm
CPU power connector (4+4 pin):
Yes
PCI Express power cable length:
750 mm
PCI Express power connectors (6+2 pin):
2
Peripheral (Molex) power cable length:
470, 690
SATA power cable length:
450, 810, 860
Motherboard power cable length:
610 mm
Motherboard power connector: The way in which the motherboard is connected to the power supply.
20+4 pin ATX

Power

Power protection features: Features that protect the device against power problems e.g. overload.
Under voltage, Short circuit, Overheating, Over voltage, Over power, Over current
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.3 A
Max output current (+5V):
20 A
Max output current (+12V):
70 A
Max output current (+3.3V):
20 A
Combined power (+5Vsb):
15 W
Combined power (-12V):
3.6 W
Combined power (+5V):
100 W
Combined power (+12V):
840 W
Combined power (+3.3V):
100 W
Input current:
12 - 6
AC input frequency:
50/60
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
850 W

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Stock data
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WH155 10 11.08.2026 Best delivery
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WH166 27 11.08.2026 Best delivery
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Customer reviews

Customer questions

FAQ

How much does the Power Supply Unit Seasonic Focus GX cost, and is it available for purchase?

The price is 130.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 759 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 11.08.2026 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 Seasonic Focus GX be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Power Supply Unit Seasonic Focus GX online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: 80 plus certification, power supply unit (psu) form factor, purpose, motherboard power connector, ac input voltage, total power, 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 Focus GX?

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.
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