Hardware Spec Index

Novexa PW-1245 Plus 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW1245-PLUS · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index868 (Power Supplies scale)
Category rank#33,087
Street price$49
Power550 W (rated)
Performance per dollar17.71
Released2021

Specifications

BrandNovexa
ModelNovexa PW-1245 Plus
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan135 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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-5379 Pro 850W 80 PLUS Platinum ATX 3.0 Power Supply2,164$169Compare
Novexa PW-5246 Plus 1000W 80 PLUS Gold ATX 3.0 Power Supply2,138$229Compare
Caldera PW-4903 Core 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,137$199Compare
Zephyra PW-4460 Pro 850W 80 PLUS Bronze ATX Power Supply1,295$59Compare
Novexa PW-9071 Pro 1000W 80 PLUS Gold SFX Power Supply1,806$129Compare
Teralux PW-2396 SE 750W 80 PLUS Gold ATX 3.1 Power Supply1,064$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-1245 Plus 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/751589 (accessed 2026-10-22).