Hardware Spec Index

Zephyra PW-1971 Ti 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW1971-TI · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index783 (Power Supplies scale)
Category rank#27,746
Street price$39
Power550 W (rated)
Performance per dollar20.08
Released2026

Specifications

BrandZephyra
ModelZephyra PW-1971 Ti
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-3834 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,871$169Compare
Zephyra PW-2310 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,280$69Compare
Zephyra PW-5984 Ultra 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,894$349Compare
Novexa PW-4796 Prime 650W 80 PLUS Bronze ATX 3.0 Power Supply936$49Compare
Zephyra PW-8238 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,927$339Compare
Caldera PW-8096 XT 550W 80 PLUS Gold ATX Power Supply995$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1971 Ti 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/3320397 (accessed 2026-10-21).