Hardware Spec Index

Zephyra PW-3981 XT 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW3981-XT · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,478 (Power Supplies scale)
Category rank#45,412
Street price$99
Power850 W (rated)
Performance per dollar14.93
Released2022

Specifications

BrandZephyra
ModelZephyra PW-3981 XT
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Vantrel PW-1103 Plus 1600W 80 PLUS Titanium ATX Power Supply2,980$399Compare
Zephyra PW-9076 Pro 850W 80 PLUS Gold SFX Power Supply1,330$79Compare
Caldera PW-5382 Prime 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,594$339Compare
Teralux PW-9443 Max 850W 80 PLUS Gold ATX Power Supply1,698$129Compare
Vantrel PW-1061 Max 1300W 80 PLUS Gold ATX Power Supply2,690$289Compare
Teralux PW-5804 Max 550W 80 PLUS Gold ATX 3.1 Power Supply1,118$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3981 XT 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/889503 (accessed 2026-10-20).