Hardware Spec Index

Zephyra PW-1543 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW1543-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index1,464 (Power Supplies scale)
Category rank#18,507
Street price$79
Power850 W (rated)
Performance per dollar18.53
Released2025

Specifications

BrandZephyra
ModelZephyra PW-1543 Ultra
Rated output850 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-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-7765 XT 650W 80 PLUS Gold ATX 3.0 Power Supply1,326$79Compare
Caldera PW-4145 Core 550W 80 PLUS Bronze ATX Power Supply1,117$69Compare
Teralux PW-7757 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,300$219Compare
Caldera PW-1358 Ultra 750W 80 PLUS Gold ATX 3.0 Power Supply1,533$109Compare
Novexa PW-1484 Ultra 1200W 80 PLUS Gold ATX Power Supply2,381$259Compare
Novexa PW-3242 Pro 550W 80 PLUS Gold ATX Power Supply826$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1543 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/6380357 (accessed 2026-10-24).