Seasonic Vertex GX-1200

1200 W
Delivered between 14.1.2026 and 21.1.2026
More than 10 pieces in stock at supplier
free shipping

Colour2

Performance2

Product details

High-performance power supply with PCIe 5.0, with 80 PLUS Gold, 1,200 watts of power, modular cable management, 3x 6+2-pin connectors for graphics cards, with 12+4-pin PCIe 5.0-12VHPWR connector for high-end graphics cards.

Key specifications

80 PLUS certificate
Gold
Power protection features
EIAOCPOPPOTPOVPSCP
Form factor
ATX
Internal connection options
15-pin S-ATA (18x)4-pin CPU (2x)4-pin Molex (3x)6+2-pin PCI Express (3x)
Modularity
Modular cable management
Item number
39556881

General information

Manufacturer
Seasonic
Category
Power Supply PC
Manufacturer no.
Vertex GX-1200 White
Release date
25.10.2023
Sales rank in Category Power Supply PC
234 of 2838
May include power adapter
Yes

Colour

Colour
White
Exact colour description
White

Power supply properties

Form factor
ATX
Efficiency
90 %
80 PLUS certificate
Gold
Modularity
Modular cable management

Power supply connectors

Internal connection options
15-pin S-ATA (18x)4-pin CPU (2x)4-pin Molex (3x)6+2-pin PCI Express (3x)
Power supply unit Power connection
C14

Cooling properties

Cooling method
Active cooling
Number of fans
1 x
Fan diameter
135 mm
LED colour
without LED

Safety

Power protection features
EIAOCPOPPOTPOVPSCP

Power supply

Power
1200 W

Origin

Country of origin
Taiwan

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
ATX 3.0ModularPCIe 5.0 - 1200 WattVertex GX White 80 PLUS Gold power supply unit

Product dimensions

Length
16 cm
Width
15 cm
Height
8.60 cm
Weight
3940 g

Package dimensions

Length
37.20 cm
Width
20.70 cm
Height
12.20 cm
Weight
3.94 kg

30-day right of return
36 Months Warranty (Bring-in)

Compare products

Goes with

Reviews & Ratings

Warranty score

How often does a product of this brand in the «Power Supply PC» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 2.Corsair
    1 %
  • 4.Fortron
    1.1 %
  • 4.Seasonic
    1.1 %
  • 6.Deepcool
    1.2 %
  • 7.Silverstone
    1.3 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 10.Lian-Li
    3 days
  • 10.NZXT
    3 days
  • 12.be quiet!
    4 days
  • 13.ASUS
    5 days
  • 14.Seasonic
    7 days

Return rate

How often is a product of this brand in the «Power Supply PC» category returned?

Source: Digitec Galaxus
  • 4.Noctua
    3.8 %
  • 6.Enermax
    3.9 %
  • 7.Seasonic
    4 %
  • 7.Thermaltake
    4 %
  • 9.Corsair
    4.5 %
Source: Digitec Galaxus

Translation: machine translated
Very good98/100
gamezoom.netSingle testReleaseJune 2023
  • Positiveample performance
  • PositiveModern and sophisticated technology (ATX 3.0)
  • PositiveVery high efficiency
  • Positivetop processing quality
  • Positivequality components
  • PositiveSoldering quality