Hardware Spec Index

Novexa PW-8402 Ultra 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW8402-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,001 (Power Supplies scale)
Category rank#45,322
Street price$59
Power550 W (rated)
Performance per dollar16.97
Released2021

Specifications

BrandNovexa
ModelNovexa PW-8402 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-6338 Max 1300W 80 PLUS Titanium ATX Power Supply2,695$299Compare
Teralux PW-7288 Ultra 550W 80 PLUS Gold ATX 3.0 Power Supply1,103$49Compare
Caldera PW-6341 Plus 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,346$269Compare
Zephyra PW-9479 Max 1000W 80 PLUS Platinum ATX Power Supply1,998$189Compare
Teralux PW-3448 Edge 850W 80 PLUS Gold ATX Power Supply1,398$99Compare
Vantrel PW-8674 Plus 850W 80 PLUS Gold SFX Power Supply1,514$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8402 Ultra 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/7829657 (accessed 2026-10-22).