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header-product Power Supply Unit Seasonic VERTEX GX-1200 1200 W
222.49 €

Power Supply Unit Seasonic VERTEX GX-1200 1200 W

Power Supply Seasonic VERTEX GX-1200 Photo 1
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Power Supply Seasonic VERTEX GX-1200 Photo 7
Power Supply Seasonic VERTEX GX-1200 Photo 1
Power Supply Seasonic VERTEX GX-1200 Photo 2
Power Supply Seasonic VERTEX GX-1200 Photo 3
Power Supply Seasonic VERTEX GX-1200 Photo 4
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Power Supply Seasonic VERTEX GX-1200 Photo 7
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Short description

The Seasonic VERTEX GX-1200 power supply unit delivers a total power of 1200 W with an 80 PLUS Gold certification, ensuring high efficiency. It features a 20+4 pin ATX motherboard connector, with a cable length of 61 cm, and a SATA power cable length of 950 mm. Designed for PC use, it operates on an AC input voltage of 100 - 240 V and frequency of 50 - 60 Hz. The active cooling system with a 13.5 cm fan ensures optimal performance and longevity.
Available at price 222.49 €: 104 pcs.
Total available for order: 138 pcs.
Warranty: 2 Years
SKU: 7896884
Manufacturer: SEASONIC
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
18.08.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
21.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 4.21 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
21.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 6.18 euros per month
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Product information

Description

The Seasonic VERTEX GX-1200 is a 1200 W power supply unit designed for modern PCs, certified 80 PLUS Gold for high efficiency and supporting ATX 3.0 and PCIe 5.0 (12VHPWR) standards. It provides stable power delivery through a 20+4 pin ATX motherboard connector and multiple peripheral cables, and features a 135 mm fluid dynamic bearing fan with hybrid fan control for reduced noise and improved longevity.

Advantages

The VERTEX GX-1200 offers up to 90% efficiency at typical loads thanks to its 80 PLUS Gold certification, reducing wasted energy and heat. Native support for ATX 3.0 and the 16‑pin PCIe Gen5 (12VHPWR) connector ensures compatibility with current high-end GPUs and motherboards. The unit uses a premium fluid dynamic bearing (FDB) fan and Seasonic’s hybrid fan control to minimize acoustic output and extend fan lifespan. Compact cable lengths and a black finish facilitate clean system builds.

Suitable for

  • High-performance gaming PCs with modern GPUs requiring PCIe Gen5 power
  • Workstations and content-creation rigs needing stable 1200 W power delivery
  • System builds prioritizing quiet operation and long-term reliability

Key specifications

  • Total power: 1200 W
  • 80 PLUS certification: 80 PLUS Gold (≈90% efficiency at 50% load)
  • Motherboard connector: 20+4 pin ATX
  • Fan diameter: 135 mm, fluid dynamic bearing (FDB)
  • Supports ATX 3.0 and 16‑pin PCIe Gen5 (12VHPWR)
  • Input voltage/frequency: 100–240 V, 50–60 Hz
  • Colour: Black

How to use

Install the Seasonic VERTEX GX-1200 into a compatible ATX case following the motherboard and case manufacturer’s instructions. Connect the 20+4 pin ATX power connector to the motherboard, attach PCIe 16‑pin (12VHPWR) or other required PCIe/CPU/SATA cables to components, and ensure all connectors are fully seated. Verify input voltage range on your outlet (100–240 V) before powering on. The hybrid fan control manages cooling automatically; no manual fan adjustment is required for normal operation.

Usage recommendations

For reliable performance, use appropriate cable routing to avoid strain on connectors and maintain clear airflow around the 135 mm fan. Match the PSU capacity to system requirements — the 1200 W rating suits high-end GPUs and multi-drive configurations. Ensure compatible chassis space and connector support for ATX 3.0 and 12VHPWR when planning upgrades.

Specifications

80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
1
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.
1200 W
All features

Logistics data

Warranty period:
10 year(s)

Packaging data

Package type: The type of product package e.g. box.
Box

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.
160 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

Packaging content

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

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.
135 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.
150000 h
Bearing technology:
FDB
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
ATX power connector (20+4 pin):
Yes
CPU power cable length:
650 mm
CPU P4 connector (4-pin):
2
Peripheral (Molex) power cable length:
690
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
1
SATA power cable length:
950
Number of SATA power connectors:
4
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.
Over power, Short circuit, Over voltage, Under voltage, Over current
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.3 A
Max output current (+5V):
25 A
Max output current (+12V):
100 A
Max output current (+3.3V):
25 A
Combined power (+5Vsb):
15 W
Combined power (-12V):
3.6 W
Combined power (+5V):
125 W
Combined power (+12V):
1200 W
Combined power (+3.3V):
125 W
Input current:
15 - 7.5
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.
1200 W

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Stock data
Warehouse Stock Delivery to the store Store Price
EU16 104 18.08.2026 Best delivery
222.49 €
WH349 5 18.08.2026 Best delivery
257.99 €
WH353 29 18.08.2026 Best delivery
260.99 €
222.49 €
Stock: 104
Delivery Date: 18.08.2026 Best delivery
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257.99 €
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Warehouse: WH349
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Stock: 29
Delivery Date: 18.08.2026 Best delivery
Warehouse: WH353

Customer reviews

Customer questions

FAQ

How much does the Power Supply Seasonic VERTEX GX-1200 cost, and is it available for purchase?

The price is 222.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 138 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 18.08.2026 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 Seasonic VERTEX GX-1200 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 Seasonic VERTEX GX-1200 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, peripheral (molex) power connectors (4-pin), 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 Seasonic VERTEX GX-1200?

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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