Hardware Spec Index

Zephyra PW-1894 Core 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW1894-CORE · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index881 (Power Supplies scale)
Category rank#28,851
Street price$39
Power550 W (rated)
Performance per dollar22.59
Released2024

Specifications

BrandZephyra
ModelZephyra PW-1894 Core
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
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
Novexa PW-3587 Plus 650W 80 PLUS Bronze ATX 3.1 Power Supply791$39Compare
Vantrel PW-9416 Ti 550W 80 PLUS Gold ATX Power Supply1,062$49Compare
Teralux PW-9382 Core 650W 80 PLUS Bronze SFX Power Supply933$49Compare
Zephyra PW-1823 XT 1000W 80 PLUS Gold ATX Power Supply2,105$189Compare
Teralux PW-7168 SE 750W 80 PLUS Gold ATX 3.1 Power Supply1,417$89Compare
Caldera PW-2792 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,810$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1894 Core 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/7681102 (accessed 2026-10-20).