Hardware Spec Index

Zephyra PW-2781 Ti 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW2781-TI · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index946 (Power Supplies scale)
Category rank#34,504
Street price$39
Power650 W (rated)
Performance per dollar24.26
Released2019

Specifications

BrandZephyra
ModelZephyra PW-2781 Ti
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-1944 Ti 850W 80 PLUS Gold ATX Power Supply1,717$129Compare
Caldera PW-2170 Ultra 850W 80 PLUS Gold ATX Power Supply1,573$109Compare
Zephyra PW-5283 Ti 1000W 80 PLUS Platinum SFX Power Supply2,044$189Compare
Teralux PW-6740 Ti 850W 80 PLUS Gold ATX Power Supply1,452$79Compare
Vantrel PW-2023 XT 850W 80 PLUS Bronze ATX Power Supply1,435$89Compare
Novexa PW-2905 Plus 1000W 80 PLUS Gold ATX Power Supply2,091$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2781 Ti 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/7307437 (accessed 2026-10-21).