Hardware Spec Index

Zephyra PW-3952 Ultra 850W 80 PLUS Platinum ATX Power Supply

Power Supplies · Zephyra · SKU PW3952-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,845 (Power Supplies scale)
Category rank#10,616
Street price$149
Power850 W (rated)
Performance per dollar12.38
Released2019

Specifications

BrandZephyra
ModelZephyra PW-3952 Ultra
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-7298 Core 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,208$209Compare
Teralux PW-2959 Max 550W 80 PLUS Bronze SFX Power Supply1,092$59Compare
Teralux PW-7682 Max 550W 80 PLUS Gold ATX Power Supply781$39Compare
Novexa PW-8272 Core 550W 80 PLUS Bronze SFX Power Supply1,046$59Compare
Teralux PW-3549 Ti 550W 80 PLUS Bronze ATX Power Supply891$49Compare
Zephyra PW-1850 Ti 1200W 80 PLUS Platinum ATX Power Supply2,095$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3952 Ultra 850W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/95522067 (accessed 2026-10-25).