Hardware Spec Index

Zephyra PW-3858 Core 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW3858-CORE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,456 (Power Supplies scale)
Category rank#49,388
Street price$79
Power650 W (rated)
Performance per dollar18.43
Released2021

Specifications

BrandZephyra
ModelZephyra PW-3858 Core
Rated output650 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
Novexa PW-1175 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply2,060$199Compare
Vantrel PW-8149 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,634$129Compare
Novexa PW-8663 Max 1000W 80 PLUS Gold ATX Power Supply2,390$239Compare
Novexa PW-7306 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,749$139Compare
Novexa PW-3672 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,106$59Compare
Caldera PW-2446 Plus 1000W 80 PLUS Gold ATX 3.0 Power Supply1,765$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3858 Core 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/1134831 (accessed 2026-10-19).