Hardware Spec Index

Zephyra PW-3354 Prime 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW3354-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,705 (Power Supplies scale)
Category rank#20,951
Street price$149
Power850 W (rated)
Performance per dollar11.44
Released2020

Specifications

BrandZephyra
ModelZephyra PW-3354 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Teralux PW-1527 Prime 650W 80 PLUS Gold ATX 3.1 Power Supply1,160$59Compare
Zephyra PW-5124 Core 650W 80 PLUS Gold ATX Power Supply1,140$59Compare
Caldera PW-5093 Ti 1000W 80 PLUS Gold ATX 3.0 Power Supply2,523$269Compare
Caldera PW-9487 Ti 650W 80 PLUS Gold SFX Power Supply792$39Compare
Zephyra PW-3436 Core 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,684$349Compare
Novexa PW-9199 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,694$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3354 Prime 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/424659 (accessed 2026-10-19).