Hardware Spec Index

Novexa PW-3347 Pro 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW3347-PRO · Released 2020 · Updated 2026-10-27

Key facts

Benchmark index1,050 (Power Supplies scale)
Category rank#39,749
Street price$49
Power550 W (rated)
Performance per dollar21.43
Released2020

Specifications

BrandNovexa
ModelNovexa PW-3347 Pro
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully 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

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Cite this page: Hardware Spec Index, “Novexa PW-3347 Pro 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/77797320 (accessed 2026-10-27).