Hardware Spec Index

Zephyra PW-6789 Ultra 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW6789-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index756 (Power Supplies scale)
Category rank#34,404
Street price$39
Power650 W (rated)
Performance per dollar19.38
Released2020

Specifications

BrandZephyra
ModelZephyra PW-6789 Ultra
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-5417 Plus 850W 80 PLUS Gold ATX Power Supply1,818$149Compare
Caldera PW-1016 Ultra 750W 80 PLUS Gold ATX 3.0 Power Supply1,168$69Compare
Zephyra PW-8466 Prime 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,251$199Compare
Novexa PW-4855 XT 750W 80 PLUS Bronze ATX Power Supply1,511$89Compare
Novexa PW-7975 Plus 1000W 80 PLUS Gold ATX 3.0 Power Supply1,856$159Compare
Caldera PW-8920 Max 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,742$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6789 Ultra 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/3563846 (accessed 2026-10-24).