Hardware Spec Index

Zephyra PW-2091 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW2091-TI · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index750 (Power Supplies scale)
Category rank#38,889
Street price$39
Power650 W (rated)
Performance per dollar19.23
Released2024

Specifications

BrandZephyra
ModelZephyra PW-2091 Ti
Rated output650 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
Fan140 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
Caldera PW-1155 Plus 1000W 80 PLUS Gold ATX 3.0 Power Supply1,860$179Compare
Caldera PW-6458 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,678$119Compare
Zephyra PW-9664 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply1,731$139Compare
Vantrel PW-8189 Ti 1000W 80 PLUS Gold ATX Power Supply2,265$249Compare
Zephyra PW-6678 Edge 1600W 80 PLUS Platinum ATX Power Supply2,731$329Compare
Caldera PW-7523 Ti 750W 80 PLUS Gold SFX Power Supply942$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2091 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/24674333 (accessed 2026-10-19).