Hardware Spec Index

Zephyra PW-7681 Prime 850W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW7681-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index1,297 (Power Supplies scale)
Category rank#1,361
Street price$79
Power850 W (rated)
Performance per dollar16.42
Released2024

Specifications

BrandZephyra
ModelZephyra PW-7681 Prime
Rated output850 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-pin2×
Form factorATX
ModularityNon-modular
Fan120 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
Teralux PW-4243 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,753$329Compare
Caldera PW-3837 Edge 1200W 80 PLUS Gold ATX 3.0 Power Supply2,186$199Compare
Zephyra PW-9146 Max 750W 80 PLUS Gold ATX 3.1 Power Supply1,480$109Compare
Caldera PW-5124 XT 750W 80 PLUS Bronze ATX Power Supply1,013$49Compare
Zephyra PW-5684 Pro 850W 80 PLUS Gold SFX Power Supply1,380$89Compare
Vantrel PW-8153 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,684$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-7681 Prime 850W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/33331750 (accessed 2026-10-20).