Hardware Spec Index

Zephyra PW-9177 Ti 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW9177-TI · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index813 (Power Supplies scale)
Category rank#48,932
Street price$39
Power550 W (rated)
Performance per dollar20.85
Released2024

Specifications

BrandZephyra
ModelZephyra PW-9177 Ti
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 factorSFX-L
ModularityNon-modular
Fan120 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
Zephyra PW-3439 SE 850W 80 PLUS Gold ATX Power Supply1,650$149Compare
Zephyra PW-1502 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply820$39Compare
Caldera PW-8237 Ultra 850W 80 PLUS Gold SFX Power Supply1,636$99Compare
Caldera PW-6822 Pro 1000W 80 PLUS Gold ATX Power Supply1,980$189Compare
Novexa PW-2321 Ti 1000W 80 PLUS Titanium ATX Power Supply2,659$289Compare
Caldera PW-4787 Prime 550W 80 PLUS Bronze ATX Power Supply828$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9177 Ti 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/9702534 (accessed 2026-10-20).