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header-product Power Supply Unit GIGABYTE GAMING 850GM PG5 — 850W, PCIe 5.1, 80 PLUS Gold, Fully Modular, 135mm Fan, ATX 3.1
114.49 €

Power Supply Unit GIGABYTE GAMING 850GM PG5 — 850W, PCIe 5.1, 80 PLUS Gold, Fully Modular, 135mm Fan, ATX 3.1

GIGABYTE GAMING 850GM PG5 PSU 850W Photo 1
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 2
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 3
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GIGABYTE GAMING 850GM PG5 PSU 850W Photo 5
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 6
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 7
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 1
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 2
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 3
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 4
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 5
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 6
GIGABYTE GAMING 850GM PG5 PSU 850W Photo 7
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Power Supply Unit GIGABYTE GAMING 850GM PG5 — 850W, PCIe 5.1, 80 PLUS Gold, Fully Modular, 135mm Fan, ATX 3.1

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Power Supply Unit GIGABYTE GAMING 850GM PG5 — 850W, PCIe 5.1, 80 PLUS Gold, Fully Modular, 135mm Fan, ATX 3.1

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Short description

GIGABYTE GAMING 850GM PG5 is an 850 W ATX power supply unit designed for gaming and high-performance PCs. It supports PCIe 5.1 connectors, ATX 3.1 compatibility and delivers 80 PLUS Gold efficiency. The fully modular cabling and 135 mm active fan simplify installation and improve airflow. Input: 100–240 V, 50/60 Hz; motherboard connector: 20+4 pin. Ideal for custom builds and upgrades requiring reliable, efficient power delivery.
Available at price 114.49 €: 4 pcs.
Total available for order: 8 pcs.
Warranty: 2 Years
SKU: 12402890
free shipment

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
13.07.2026 {{selectedOffer.officeDeliveryString}}
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Product information

Description

The GIGABYTE GAMING 850GM PG5 is an 850 W ATX power supply unit engineered for gaming rigs and high-performance desktop systems. It supports PCIe 5.1 and ATX 3.1 compatibility while delivering 80 PLUS Gold efficiency. The fully modular cable set and a 135 mm active fan simplify installation and improve internal airflow. Input range is 100–240 V at 50/60 Hz, and the motherboard connector is a standard 20+4 pin ATX layout. This PSU is intended for custom builds and upgrades that require stable and efficient power delivery.

Advantages

The unit offers 80 PLUS Gold-rated efficiency to reduce energy loss and heat under typical loads. Fully modular cabling helps minimize case clutter and allows selective connection of only needed cables. Support for PCIe 5.1 connectors and ATX 3.1 compatibility means modern graphics cards and motherboards can be powered without adapter compromises. A 135 mm fan with smart control balances cooling and acoustics during variable load conditions.

Suitable for

  • Gaming desktop PCs with mid to high power GPUs
  • Custom PC builds and system upgrades
  • Workstations requiring steady 12 V rail delivery
  • Systems seeking modular cable management for improved airflow

When it may not be suitable

This 850 W PSU may be excessive for very small form-factor or low-power office systems where typical consumption is well under 300 W. It is not a direct replacement for non-ATX 3.1 form factors or proprietary power supplies used in some prebuilt systems. Verify physical dimensions and connector compatibility against your case and components before purchase.

Key specifications

  • Rated output power: 850 W
  • Efficiency certification: 80 PLUS Gold
  • Supported standard: ATX 3.1
  • PCIe standard support: PCIe 5.1
  • Input voltage/frequency: 100–240 V, 50/60 Hz
  • Motherboard connector: 20+4 pin ATX
  • Cooling: 135 mm active fan with smart control
  • Cabling: Fully modular
  • Primary topology: Single +12 V rail design
  • Capacitors: 100% Japanese capacitors

How to use

Install the PSU into a compatible ATX or ATX 3.1-compliant case following standard mounting orientation for your chassis. Connect the 20+4 pin ATX main connector to the motherboard and attach modular PCIe, CPU, SATA, and peripheral cables as required by your components. Ensure all connectors are fully seated and routed to avoid blocking fans or airflow channels. After connections are complete, power on the system and verify stable boot and voltage readings in BIOS or monitoring software.

What to consider before purchase

  • Confirm your case supports ATX/ATX 3.1 power supply dimensions and mounting
  • Check your GPU and devices for required PCIe 5.1 or PCIe power connector types and counts
  • Assess total system power draw to ensure 850 W capacity is appropriate
  • Verify compatibility with your motherboard regarding ATX 20+4 pin connection

Usage recommendations

For optimal system stability, use only the modular cables provided by the manufacturer, maintain adequate case airflow, and allow the HybridCool fan control to manage cooling. Periodically check cable routing and connector seating during upgrades or maintenance to sustain reliable power delivery.

Specifications

Total power:
850 W
Efficiency:
90 %
Motherboard power connector:
20+4 pin ATX
80 PLUS certification:
80 PLUS Gold
Fan diameter:
135 mm
Weight:
2.5 kg
Product colour:
Black
All features

Power

Total power:
850 W
Efficiency:
90 %
Power Factor Correction (PFC) type:
Active
Hold time:
17 ms
Power protection features:
No load operation, Surge & inrush protection (SIP), Under voltage, Short circuit, Overheating, Over voltage, Over power, Over current
Power factor:
0.9
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:
10
AC input frequency:
50/60
AC input voltage:
100 - 240
Power Good signal delay range:
100 - 150

Ports & interfaces

Motherboard power connector:
20+4 pin ATX
PCI Express connector:
Yes
Number of SATA power connectors:
8
Peripheral (Molex) power connectors (4-pin):
4
ATX power connector (20+4 pin):
Yes
CPU power connector (4+4 pin):
Yes
PCI Express power connectors (6+2 pin):
4
Cabling type:
Fully-Modular
Motherboard power cable length:
610 mm
EPS power connector (4+4 pin):
Yes
PCI Express power connectors (16-pin):
1
Number of EPS connectors:
2
Number of SATA power cables:
2

Performance

Purpose:
PC
80 PLUS certification:
80 PLUS Gold
Mean time between failures (MTBF):
100000 h
Bearing technology:
FDB
ATX version:
3.1
Power supply unit (PSU) form factor:
ATX

Design

Fan diameter:
135 mm
Number of fans:
1 fan(s)
Cooling type:
Active
Fan location:
Top
On/off switch:
Yes
Product colour:
Black

Weight & dimensions

Weight:
2.5 kg
Height:
86 mm
Width:
150 mm
Depth:
150 mm

Packaging data

Package weight:
3102 g
Package depth:
184 mm
Package height:
129 mm
Package width:
302 mm
Package type:
Box

Logistics data

Warranty period:
10 year(s)

Description

Machine translation. Load original

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Stock data
Warehouse Stock Delivery to the store Store Price
WH353 4 13.07.2026 114.49 € Best price
BT84 4 02.07.2026 Best delivery 117.49 €
114.49 €
Stock: 4
Delivery Date: 13.07.2026
Warehouse: WH353
117.49 €
Stock: 4
Delivery Date: 02.07.2026 Best delivery
Warehouse: BT84

Customer reviews

Customer questions

FAQ

How much does the GIGABYTE GAMING 850GM PG5 PSU 850W cost, and is it available for purchase?

The price is 114.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 13.07.2026 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 GIGABYTE GAMING 850GM PG5 PSU 850W 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 GIGABYTE GAMING 850GM PG5 PSU 850W 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 GIGABYTE 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 GIGABYTE 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: 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.
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