Seasonic VERTEX PX-1200 — VERTEX PX ATX 3.1

Model code

VERTEX PX-1200

Identifier scope

Model designation and stated revision, not a verified regional ordering part number. Confirm bundle and suffix before ordering.

Manufacturer designation

VERTEX PX-1200 — VERTEX PX ATX 3.1

Rated output

1200 W

ATX specification

ATX 3.1

80 PLUS certification

Platinum

Cabling

Fully modular

Protection functions

OPP / OVP / UVP / SCP / OCP / OTP

GPU cable type

12V-2x6 (16-pin)

Fan

135 mm FDB

Manufacturer warranty — eligibility to be verified

12 years

Documented selection limits

Model designation may span revisions/regions; require the exact ATX 3.1 revision and regional ordering code before quotation. Never assume older identically named models include the newer 12V-2x6 cable. Match power, envelope, GPU cable and AC input requirements; no AC input range inferred.

Specification source: Seasonic ↗
Checked against documentation: 16.10.2026