Hardware Spec Index

Zephyra PW-3774 Prime 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW3774-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index844 (Power Supplies scale)
Category rank#18,347
Street price$39
Power550 W (rated)
Performance per dollar21.64
Released2020

Specifications

BrandZephyra
ModelZephyra PW-3774 Prime
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-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
Teralux PW-3463 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,415$89Compare
Zephyra PW-9747 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,838$139Compare
Teralux PW-9186 Ultra 650W 80 PLUS Gold ATX 3.1 Power Supply876$39Compare
Zephyra PW-2872 XT 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,668$319Compare
Vantrel PW-8402 Core 1200W 80 PLUS Platinum ATX Power Supply2,037$179Compare
Zephyra PW-2282 XT 650W 80 PLUS Bronze ATX 3.1 Power Supply1,047$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3774 Prime 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/73317463 (accessed 2026-10-20).