Hardware Spec Index

Zephyra PW-3842 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW3842-PRIME · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index925 (Power Supplies scale)
Category rank#7,688
Street price$49
Power550 W (rated)
Performance per dollar18.88
Released2022

Specifications

BrandZephyra
ModelZephyra PW-3842 Prime
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 factorATX
ModularityNon-modular
Fan140 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-9455 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,735$119Compare
Teralux PW-7162 Ultra 1000W 80 PLUS Gold SFX Power Supply1,928$189Compare
Teralux PW-1218 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,521$109Compare
Novexa PW-8486 Core 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,456$299Compare
Vantrel PW-3849 Ti 850W 80 PLUS Gold ATX Power Supply1,663$129Compare
Teralux PW-7094 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,695$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3842 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/3853733 (accessed 2026-10-22).