Hardware Spec Index

Zephyra PW-6973 Core 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW6973-CORE · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index736 (Power Supplies scale)
Category rank#34,215
Street price$39
Power550 W (rated)
Performance per dollar18.87
Released2026

Specifications

BrandZephyra
ModelZephyra PW-6973 Core
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Caldera PW-8829 Plus 550W 80 PLUS Bronze ATX Power Supply731$39Compare
Zephyra PW-9184 Pro 550W 80 PLUS Bronze ATX Power Supply824$39Compare
Caldera PW-1404 Max 550W 80 PLUS Bronze ATX Power Supply852$39Compare
Caldera PW-5082 SE 850W 80 PLUS Bronze ATX 3.0 Power Supply1,488$99Compare
Novexa PW-2700 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,513$109Compare
Zephyra PW-8659 Max 1300W 80 PLUS Gold ATX 3.0 Power Supply2,495$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6973 Core 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/52324561 (accessed 2026-10-25).