Hardware Spec Index

Zephyra PW-1446 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW1446-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index1,200 (Power Supplies scale)
Category rank#5,607
Street price$69
Power650 W (rated)
Performance per dollar17.39
Released2026

Specifications

BrandZephyra
ModelZephyra PW-1446 Ultra
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-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-3071 Ultra 1000W 80 PLUS Gold ATX Power Supply2,128$199Compare
Teralux PW-4078 Plus 850W 80 PLUS Gold ATX Power Supply1,429$99Compare
Novexa PW-1944 SE 1000W 80 PLUS Platinum ATX Power Supply1,814$139Compare
Vantrel PW-4309 Prime 650W 80 PLUS Gold ATX 3.1 Power Supply1,162$59Compare
Vantrel PW-8326 Ultra 850W 80 PLUS Gold ATX Power Supply1,652$119Compare
Teralux PW-3721 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply1,754$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1446 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/17515813 (accessed 2026-10-19).