Hardware Spec Index

Zephyra PW-9974 Edge 850W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW9974-EDGE · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,400 (Power Supplies scale)
Category rank#36,855
Street price$79
Power850 W (rated)
Performance per dollar17.72
Released2023

Specifications

BrandZephyra
ModelZephyra PW-9974 Edge
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Vantrel PW-8169 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,364$79Compare
Vantrel PW-1137 XT 650W 80 PLUS Bronze ATX 3.1 Power Supply817$49Compare
Teralux PW-4538 Prime 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,108$199Compare
Vantrel PW-5823 Ultra 1000W 80 PLUS Gold ATX Power Supply2,126$189Compare
Caldera PW-6848 Ti 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,113$229Compare
Teralux PW-2648 Core 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,640$349Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9974 Edge 850W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/5484378 (accessed 2026-10-21).