Hardware Spec Index

Zephyra PW-8306 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW8306-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,253 (Power Supplies scale)
Category rank#14,428
Street price$69
Power850 W (rated)
Performance per dollar18.16
Released2022

Specifications

BrandZephyra
ModelZephyra PW-8306 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Zephyra PW-1105 Ultra 750W 80 PLUS Bronze ATX Power Supply1,072$49Compare
Teralux PW-4788 Edge 650W 80 PLUS Bronze ATX 3.0 Power Supply933$49Compare
Vantrel PW-8835 Ultra 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,997$219Compare
Caldera PW-2396 Plus 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,442$319Compare
Caldera PW-7265 Max 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,372$229Compare
Caldera PW-6082 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply1,846$179Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8306 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/20160971 (accessed 2026-10-19).