Power Supplies · Seasonic

Seasonic Prime PX-1300 1300W

Seasonic Prime PX-1300 1300W for local AI desktops and workstations that need clean stable power for a high draw GPU.

Seasonic Prime PX-1300 1300W is a ATX PSU product from Seasonic built for desktop and workstation systems that run local AI workloads. It suits model loading, dataset handling and daily creation work where clean stable power for a high draw GPU matters in a home lab or office build.

Specifications

Name	Seasonic Prime PX-1300 1300W
Brand	Seasonic
Category	Power Supplies
Type	ATX PSU
Power (TDP)	1300 W
Key spec	80 Plus Platinum
Key spec	ATX 3.1
Key spec	PCIe 5.1 12V-2x6 connector
Key spec	Fully modular
Key spec	Rated 1300W
Best for	GPU workstation; LLM inference; local AI build
Specs source	Seasonic product page
Last verified	2026-11-14