Hardware Spec Index

Novexa PW-7947 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW7947-CORE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index987 (Power Supplies scale)
Category rank#45,105
Street price$39
Power550 W (rated)
Performance per dollar25.31
Released2025

Specifications

BrandNovexa
ModelNovexa PW-7947 Core
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 factorATX
ModularitySemi-modular
Fan140 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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-2136 Edge 650W 80 PLUS Gold ATX 3.0 Power Supply1,234$59Compare
Novexa PW-4999 Ti 1000W 80 PLUS Gold ATX Power Supply1,724$119Compare
Novexa PW-4645 Core 1200W 80 PLUS Gold ATX 3.1 Power Supply2,461$269Compare
Novexa PW-4552 XT 850W 80 PLUS Gold SFX Power Supply1,226$79Compare
Zephyra PW-2348 Prime 1000W 80 PLUS Gold ATX 3.0 Power Supply1,735$119Compare
Teralux PW-1160 Ultra 1000W 80 PLUS Platinum ATX Power Supply2,080$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7947 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/4334282 (accessed 2026-10-20).