Hardware Spec Index

Zephyra PW-3420 Pro 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW3420-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,014 (Power Supplies scale)
Category rank#48,137
Street price$49
Power550 W (rated)
Performance per dollar20.69
Released2025

Specifications

BrandZephyra
ModelZephyra PW-3420 Pro
Rated output550 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-pin1×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-7328 Pro 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,669$319Compare
Vantrel PW-5177 Prime 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,759$339Compare
Novexa PW-5403 Ultra 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,626$319Compare
Vantrel PW-8296 SE 850W 80 PLUS Gold SFX Power Supply1,482$99Compare
Novexa PW-9392 Max 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,276$239Compare
Vantrel PW-6250 Edge 850W 80 PLUS Platinum ATX 3.0 Power Supply1,922$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3420 Pro 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/10244544 (accessed 2026-10-19).