Hardware Spec Index

Novexa PW-9981 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW9981-CORE · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index882 (Power Supplies scale)
Category rank#15,212
Street price$49
Power550 W (rated)
Performance per dollar18.00
Released2026

Specifications

BrandNovexa
ModelNovexa PW-9981 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
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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-3122 Pro 750W 80 PLUS Gold ATX Power Supply1,489$89Compare
Caldera PW-4232 Max 1600W 80 PLUS Titanium ATX Power Supply2,650$389Compare
Zephyra PW-9869 Plus 1000W 80 PLUS Gold ATX Power Supply1,998$169Compare
Vantrel PW-7858 SE 1300W 80 PLUS Gold ATX Power Supply2,289$249Compare
Zephyra PW-1353 Ti 1200W 80 PLUS Titanium ATX Power Supply2,336$209Compare
Zephyra PW-4228 Pro 1000W 80 PLUS Platinum SFX Power Supply2,385$269Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-9981 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/3985121 (accessed 2026-10-20).