Hardware Spec Index

Novexa PW-3428 Pro 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW3428-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index840 (Power Supplies scale)
Category rank#33,944
Street price$39
Power550 W (rated)
Performance per dollar21.54
Released2020

Specifications

BrandNovexa
ModelNovexa PW-3428 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan140 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-6683 Ti 550W 80 PLUS Bronze ATX Power Supply943$49Compare
Caldera PW-8123 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply1,602$119Compare
Novexa PW-7206 Core 850W 80 PLUS Gold SFX Power Supply1,900$169Compare
Novexa PW-2754 Edge 550W 80 PLUS Gold ATX Power Supply909$49Compare
Novexa PW-3160 Ti 1000W 80 PLUS Gold ATX Power Supply2,279$199Compare
Caldera PW-7015 Edge 550W 80 PLUS Bronze ATX 3.1 Power Supply861$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3428 Pro 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/18277828 (accessed 2026-10-19).