Hardware Spec Index

Zephyra PW-1640 Core 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW1640-CORE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index847 (Power Supplies scale)
Category rank#31,983
Street price$39
Power550 W (rated)
Performance per dollar21.72
Released2022

Specifications

BrandZephyra
ModelZephyra PW-1640 Core
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Vantrel PW-2847 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply2,112$169Compare
Vantrel PW-5513 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply2,096$179Compare
Zephyra PW-7676 Ultra 850W 80 PLUS Platinum ATX Power Supply2,052$179Compare
Teralux PW-8370 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply1,937$209Compare
Teralux PW-1976 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply1,990$189Compare
Novexa PW-9715 Core 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,431$269Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1640 Core 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/4194885 (accessed 2026-10-24).