Hardware Spec Index

Zephyra PW-1644 Prime 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW1644-PRIME · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,249 (Power Supplies scale)
Category rank#4,994
Street price$59
Power850 W (rated)
Performance per dollar21.17
Released2019

Specifications

BrandZephyra
ModelZephyra PW-1644 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-2705 Edge 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,945$399Compare
Vantrel PW-9113 Edge 1200W 80 PLUS Gold ATX 3.0 Power Supply2,468$279Compare
Caldera PW-7992 Pro 850W 80 PLUS Gold ATX Power Supply1,872$159Compare
Novexa PW-2526 Max 750W 80 PLUS Gold ATX Power Supply1,484$89Compare
Vantrel PW-5757 Ultra 850W 80 PLUS Gold SFX Power Supply1,779$139Compare
Zephyra PW-3812 SE 1200W 80 PLUS Gold ATX 3.1 Power Supply2,074$199Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1644 Prime 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/28114454 (accessed 2026-10-22).