Hardware Spec Index

Zephyra PW-6404 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW6404-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index2,506 (Power Supplies scale)
Category rank#11,665
Street price$289
Power1000 W (rated)
Performance per dollar8.67
Released2024

Specifications

BrandZephyra
ModelZephyra PW-6404 Ultra
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% 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
Fan120 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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-5924 Ti 850W 80 PLUS Gold SFX Power Supply1,770$159Compare
Zephyra PW-1697 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,577$109Compare
Zephyra PW-9562 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply795$39Compare
Caldera PW-9871 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,773$329Compare
Caldera PW-8307 XT 1600W 80 PLUS Titanium ATX Power Supply2,849$339Compare
Caldera PW-1476 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,656$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6404 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/89084928 (accessed 2026-10-23).