Hardware Spec Index

Zephyra PW-2521 Ultra 1200W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW2521-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index2,425 (Power Supplies scale)
Category rank#7,815
Street price$269
Power1200 W (rated)
Performance per dollar9.01
Released2022

Specifications

BrandZephyra
ModelZephyra PW-2521 Ultra
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

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Cite this page: Hardware Spec Index, “Zephyra PW-2521 Ultra 1200W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/16336830 (accessed 2026-10-19).