Hardware Spec Index

Zephyra PW-5420 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW5420-PRO · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,768 (Power Supplies scale)
Category rank#43,636
Street price$149
Power850 W (rated)
Performance per dollar11.87
Released2023

Specifications

BrandZephyra
ModelZephyra PW-5420 Pro
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
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
Zephyra PW-1638 Max 550W 80 PLUS Bronze ATX Power Supply1,109$49Compare
Novexa PW-2072 Plus 850W 80 PLUS Gold ATX Power Supply2,048$199Compare
Vantrel PW-2049 Max 1600W 80 PLUS Titanium ATX Power Supply2,893$369Compare
Caldera PW-8562 Prime 750W 80 PLUS Bronze SFX Power Supply1,011$59Compare
Zephyra PW-8418 Prime 850W 80 PLUS Gold ATX Power Supply1,570$109Compare
Novexa PW-2698 Ti 1200W 80 PLUS Gold ATX Power Supply2,582$279Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5420 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/56583449 (accessed 2026-10-25).