Seasonic VERTEX GX-1200 1200W 80 PLUS Gold Fully Modular ATX 3.0 PSU

The Seasonic VERTEX GX-1200 is a 1200 W fully modular power supply built for high-performance PC builds, combining 80 PLUS Gold efficiency with ATX 3.0 support and a 16-pin PCIe Gen 5 (12VHPWR) cable. Its premium hybrid fan control and tight voltage regulation help keep your system cool, quiet and stable under load.

Key Features

• 80 PLUS Gold certified for high efficiency
• Fully modular design with flat black cables
• ATX 3.0 with 16-pin PCIe Gen 5 cable (12VHPWR)
• 135 mm fluid dynamic bearing fan
• Premium hybrid fan control
• Tight voltage regulation on 12 V, 5 V and 3.3 V rails (±3 %)
• Gold plated high current terminals (MB, CPU and PCIe)
• Protection: OPP, OVP, UVP, OCP, OTP, SCP

Specifications

• 80 PLUS: Gold
• Form factor: Intel ATX 12 V
• Dimensions: 160 mm (L) x 150 mm (W) x 86 mm (H)
• Fan size: 135 mm
• Fan control: Premium Hybrid Fan Control
• Fan bearing: Fluid dynamic bearing
• Fan life expectancy: 50,000 hours at 40 °C, 15 % - 65 % RH
• Modularity: Fully modular
• Cable type: Flat black cables
• Operating temperature: 0 - 50 °C (derating from 100 % to 80 % from 40 °C to 50 °C)
• MTBF at 25 °C (excluding fan): 150,000 hours
• AC input: 100 V - 240 V, 15 - 7.5 A, 50 Hz - 60 Hz (full range)
• DC output: +3.3 V (25 A), +5 V (25 A), +12 V (100 A), -12 V (0.3 A), +5 VSB (3 A)
• Maximum power: 125 W (+3.3 V and +5 V combined), 1200 W (+12 V), 3.6 W (-12 V), 15 W (+5 VSB)
• Total continuous power: 1200 W
• Safety and EMC: cTUVus, TUV, CB, CCC, BSMI, EAC, CE
• Environmental compliance: Energy Star, RoHS, WEEE, ErP Lot 6, REACH
• Warranty: 10 years