Hardware Spec Index

Zephyra PW-1931 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW1931-MAX · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index987 (Power Supplies scale)
Category rank#396
Street price$49
Power550 W (rated)
Performance per dollar20.14
Released2025

Specifications

BrandZephyra
ModelZephyra PW-1931 Max
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
Caldera PW-9789 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,898$159Compare
Vantrel PW-3801 Plus 750W 80 PLUS Bronze ATX 3.1 Power Supply1,311$69Compare
Novexa PW-6616 Max 550W 80 PLUS Gold SFX Power Supply1,164$69Compare
Novexa PW-7072 Edge 650W 80 PLUS Bronze ATX 3.0 Power Supply977$49Compare
Vantrel PW-4754 SE 750W 80 PLUS Gold ATX Power Supply1,364$89Compare
Novexa PW-3524 Core 850W 80 PLUS Bronze ATX 3.0 Power Supply1,390$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1931 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/4468056 (accessed 2026-10-25).