Hardware Spec Index

Zephyra PW-3490 XT 850W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW3490-XT · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,932 (Power Supplies scale)
Category rank#24,834
Street price$169
Power850 W (rated)
Performance per dollar11.43
Released2025

Specifications

BrandZephyra
ModelZephyra PW-3490 XT
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (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
Teralux PW-7491 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,766$139Compare
Caldera PW-1378 Pro 650W 80 PLUS Gold ATX 3.1 Power Supply774$39Compare
Teralux PW-7523 Prime 650W 80 PLUS Bronze ATX 3.1 Power Supply996$49Compare
Caldera PW-5456 XT 650W 80 PLUS Gold ATX Power Supply1,235$59Compare
Zephyra PW-6549 Pro 750W 80 PLUS Bronze ATX 3.1 Power Supply1,098$49Compare
Teralux PW-5678 SE 850W 80 PLUS Platinum ATX 3.1 Power Supply1,836$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3490 XT 850W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/9602850 (accessed 2026-10-20).