Hardware Spec Index

Zephyra PW-2864 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW2864-PRIME · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,850 (Power Supplies scale)
Category rank#25,654
Street price$129
Power850 W (rated)
Performance per dollar14.34
Released2025

Specifications

BrandZephyra
ModelZephyra PW-2864 Prime
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
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
Caldera PW-8791 Max 750W 80 PLUS Gold SFX Power Supply1,189$69Compare
Zephyra PW-2689 Ti 1600W 80 PLUS Gold ATX 3.0 Power Supply2,502$339Compare
Teralux PW-6961 Pro 1000W 80 PLUS Gold ATX Power Supply2,383$309Compare
Novexa PW-4281 Core 550W 80 PLUS Gold ATX 3.0 Power Supply908$49Compare
Teralux PW-2484 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,724$119Compare
Caldera PW-1108 Ti 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,887$349Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2864 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/6741978 (accessed 2026-10-19).