Hardware Spec Index

Novexa PW-3379 Ultra 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Novexa · SKU PW3379-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index788 (Power Supplies scale)
Category rank#2,344
Street price$39
Power550 W (rated)
Performance per dollar20.21
Released2025

Specifications

BrandNovexa
ModelNovexa PW-3379 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-3379 Ultra 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/44554760 (accessed 2026-10-23).