Hardware Spec Index

Novexa PW-7257 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW7257-PRO · Released 2026 · Updated 2026-10-18

Key facts

Benchmark index771 (Power Supplies scale)
Category rank#5,726
Street price$39
Power550 W (rated)
Performance per dollar19.77
Released2026

Specifications

BrandNovexa
ModelNovexa PW-7257 Pro
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
ModularityNon-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
Vantrel PW-6037 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,056$209Compare
Zephyra PW-6994 SE 650W 80 PLUS Gold ATX 3.1 Power Supply1,249$69Compare
Novexa PW-4999 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,841$129Compare
Zephyra PW-8033 Edge 750W 80 PLUS Bronze SFX Power Supply1,004$49Compare
Vantrel PW-6287 Core 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,606$309Compare
Zephyra PW-7864 XT 750W 80 PLUS Bronze SFX Power Supply1,376$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7257 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/653545 (accessed 2026-10-18).