Hardware Spec Index

Zephyra PW-4276 Ultra 1200W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW4276-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index2,558 (Power Supplies scale)
Category rank#41,676
Street price$279
Power1200 W (rated)
Performance per dollar9.17
Released2024

Specifications

BrandZephyra
ModelZephyra PW-4276 Ultra
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-1795 Pro 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,794$379Compare
Novexa PW-3683 Prime 750W 80 PLUS Bronze ATX 3.1 Power Supply1,112$59Compare
Novexa PW-2664 Core 650W 80 PLUS Gold ATX Power Supply1,270$69Compare
Teralux PW-3827 Prime 850W 80 PLUS Gold SFX Power Supply1,270$69Compare
Caldera PW-6080 Pro 550W 80 PLUS Bronze SFX Power Supply921$39Compare
Caldera PW-3778 XT 850W 80 PLUS Gold SFX Power Supply1,619$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4276 Ultra 1200W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/14736154 (accessed 2026-10-23).