Hardware Spec Index

Zephyra PW-1638 Plus 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW1638-PLUS · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index1,640 (Power Supplies scale)
Category rank#25,997
Street price$129
Power850 W (rated)
Performance per dollar12.71
Released2021

Specifications

BrandZephyra
ModelZephyra PW-1638 Plus
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
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Caldera PW-1221 SE 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,309$259Compare
Vantrel PW-2168 SE 650W 80 PLUS Bronze ATX 3.1 Power Supply1,043$49Compare
Vantrel PW-7231 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply1,273$69Compare
Novexa PW-6463 Edge 850W 80 PLUS Gold ATX Power Supply1,791$149Compare
Novexa PW-2123 Max 1300W 80 PLUS Titanium ATX Power Supply2,653$309Compare
Teralux PW-2732 Core 550W 80 PLUS Gold SFX Power Supply1,045$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1638 Plus 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/587262 (accessed 2026-10-18).