Hardware Spec Index

Zephyra PW-3891 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW3891-XT · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,976 (Power Supplies scale)
Category rank#12,807
Street price$209
Power1000 W (rated)
Performance per dollar9.45
Released2023

Specifications

BrandZephyra
ModelZephyra PW-3891 XT
Rated output1,000 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-pin3×
Form factorATX
ModularityFully modular
Fan120 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
Teralux PW-9706 Pro 1000W 80 PLUS Gold ATX Power Supply2,201$199Compare
Novexa PW-8919 Core 550W 80 PLUS Bronze ATX Power Supply798$39Compare
Caldera PW-2535 Plus 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,588$299Compare
Novexa PW-6667 SE 650W 80 PLUS Bronze ATX 3.1 Power Supply1,025$49Compare
Caldera PW-3658 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply1,870$139Compare
Zephyra PW-9397 Prime 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,276$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3891 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/10028058 (accessed 2026-10-26).