Hardware Spec Index

Zephyra PW-3140 Prime 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW3140-PRIME · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,063 (Power Supplies scale)
Category rank#13,339
Street price$59
Power550 W (rated)
Performance per dollar18.02
Released2020

Specifications

BrandZephyra
ModelZephyra PW-3140 Prime
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 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
Vantrel PW-1152 Plus 1600W 80 PLUS Platinum ATX Power Supply2,883$319Compare
Caldera PW-8177 Plus 750W 80 PLUS Gold ATX 3.1 Power Supply1,524$89Compare
Vantrel PW-6577 Ultra 750W 80 PLUS Gold ATX Power Supply1,305$69Compare
Vantrel PW-3924 Ti 650W 80 PLUS Gold ATX 3.0 Power Supply1,195$49Compare
Novexa PW-2582 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,543$99Compare
Vantrel PW-4778 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply1,278$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3140 Prime 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/6319966 (accessed 2026-10-24).