Hardware Spec Index

Zephyra PW-4866 Pro 850W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW4866-PRO · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,936 (Power Supplies scale)
Category rank#4,989
Street price$189
Power850 W (rated)
Performance per dollar10.24
Released2023

Specifications

BrandZephyra
ModelZephyra PW-4866 Pro
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 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-5650 Prime 1000W 80 PLUS Gold SFX Power Supply1,874$169Compare
Zephyra PW-3855 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply2,129$199Compare
Teralux PW-1710 Max 550W 80 PLUS Gold ATX Power Supply1,121$59Compare
Teralux PW-4620 Prime 850W 80 PLUS Gold SFX Power Supply1,653$109Compare
Teralux PW-8475 Pro 1000W 80 PLUS Gold ATX 3.0 Power Supply1,542$119Compare
Caldera PW-8511 Max 850W 80 PLUS Bronze ATX Power Supply1,241$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4866 Pro 850W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/3322784 (accessed 2026-10-20).