Hardware Spec Index

Zephyra PW-6977 SE 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW6977-SE · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,119 (Power Supplies scale)
Category rank#18,898
Street price$59
Power550 W (rated)
Performance per dollar18.97
Released2023

Specifications

BrandZephyra
ModelZephyra PW-6977 SE
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
Fan135 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
Zephyra PW-7935 Prime 850W 80 PLUS Gold ATX Power Supply1,528$89Compare
Novexa PW-2912 Ti 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,827$329Compare
Zephyra PW-4219 Ti 850W 80 PLUS Bronze ATX 3.1 Power Supply1,434$99Compare
Teralux PW-1949 SE 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,412$289Compare
Teralux PW-9725 Ultra 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,255$199Compare
Teralux PW-4984 Ti 750W 80 PLUS Bronze ATX Power Supply968$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6977 SE 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/3830189 (accessed 2026-10-26).