Hardware Spec Index

Novexa PW-2678 Core 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW2678-CORE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index743 (Power Supplies scale)
Category rank#22,506
Street price$39
Power550 W (rated)
Performance per dollar19.05
Released2022

Specifications

BrandNovexa
ModelNovexa PW-2678 Core
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully 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-6116 Ultra 1000W 80 PLUS Gold ATX Power Supply2,211$219Compare
Novexa PW-3605 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,556$89Compare
Zephyra PW-3577 Edge 750W 80 PLUS Gold ATX 3.1 Power Supply1,148$59Compare
Zephyra PW-8811 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply755$39Compare
Caldera PW-8778 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply2,101$209Compare
Teralux PW-9000 XT 1200W 80 PLUS Gold ATX 3.1 Power Supply2,179$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-2678 Core 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/4178230 (accessed 2026-10-24).