Hardware Spec Index

Zephyra PW-1947 Ultra 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW1947-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,078 (Power Supplies scale)
Category rank#33,330
Street price$49
Power650 W (rated)
Performance per dollar22.00
Released2021

Specifications

BrandZephyra
ModelZephyra PW-1947 Ultra
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
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-5956 Prime 1000W 80 PLUS Gold ATX Power Supply2,238$189Compare
Zephyra PW-9246 Prime 1000W 80 PLUS Gold ATX Power Supply2,055$179Compare
Novexa PW-1442 Prime 650W 80 PLUS Bronze ATX Power Supply1,192$59Compare
Teralux PW-4836 Max 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,838$399Compare
Caldera PW-8840 Ultra 1000W 80 PLUS Gold ATX Power Supply1,839$119Compare
Novexa PW-3711 Ultra 1200W 80 PLUS Gold ATX 3.1 Power Supply2,090$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1947 Ultra 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/3957327 (accessed 2026-10-22).