Hardware Spec Index

Zephyra PW-1817 Pro 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW1817-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index781 (Power Supplies scale)
Category rank#547
Street price$39
Power550 W (rated)
Performance per dollar20.03
Released2020

Specifications

BrandZephyra
ModelZephyra PW-1817 Pro
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Novexa PW-2107 Core 1300W 80 PLUS Titanium ATX Power Supply2,964$399Compare
Caldera PW-4999 Pro 850W 80 PLUS Gold SFX Power Supply1,713$129Compare
Caldera PW-8751 Edge 550W 80 PLUS Bronze ATX 3.1 Power Supply1,010$49Compare
Caldera PW-8934 Ti 650W 80 PLUS Bronze ATX 3.1 Power Supply731$39Compare
Teralux PW-7894 SE 1600W 80 PLUS Platinum ATX Power Supply2,727$339Compare
Teralux PW-6362 SE 1200W 80 PLUS Titanium ATX Power Supply2,723$339Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1817 Pro 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/11385481 (accessed 2026-10-25).