Power Supply Seasonic Vertex PX-850 ATX 12851PXAFS 80 Plus Platinum 850W

Seasonic Vertex PX-850 850W ATX 3.1 80+ Platinum Power Supply

The Vertex PX-850 belongs to Seasonic's new VERTEX series and sets a high bar for efficiency with its Platinum certification. It supplies 850 watts in a fully modular design and gathers the advanced features that characterise the maker's power supplies for demanding systems.

Power & efficiency

The unit delivers a genuine 850 watts at the 80 PLUS Platinum rating, the high efficiency tier that trims energy and heat losses compared with lower ratings. Full compatibility with the ATX 3.1 and PCIe 5.1 standards ensures a stable voltage supply for modern gaming and workstation systems.

Cables & connectors

The fully modular design provides optimal cable-management options and lets you connect only what the system requires. A built-in 12V-2×6 cable is set up for compatibility with the latest graphics cards, for a direct and safe connection to current-generation hardware.

Reliability & cooling

Cooling is based on a 135 mm fan with a Fluid Dynamic Bearing for quiet running, together with the Seasonic Hybrid Silent Fan Control system for optimal cooling according to load. A full protection suite covering OPP, OVP, UVP, SCP, OCP and OTP safeguards the reliability of the system.

• Output: true 850W
• Efficiency: 80 PLUS Platinum
• Standard: ATX 3.1 · PCIe 5.1
• Modularity: fully modular
• GPU connector: built-in 12V-2×6 cable
• Fan: 135 mm FDB · Hybrid Silent Fan Control
• Protections: OPP · OVP · UVP · SCP · OCP · OTP