Hardware Spec Index

Zephyra PW-9816 XT 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW9816-XT · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,323 (Power Supplies scale)
Category rank#1,972
Street price$79
Power850 W (rated)
Performance per dollar16.75
Released2021

Specifications

BrandZephyra
ModelZephyra PW-9816 XT
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
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-5256 Pro 850W 80 PLUS Gold ATX Power Supply1,844$139Compare
Zephyra PW-7869 XT 550W 80 PLUS Gold ATX 3.1 Power Supply1,122$69Compare
Caldera PW-9437 XT 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,914$359Compare
Caldera PW-7741 SE 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,211$239Compare
Vantrel PW-5797 Core 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,798$299Compare
Zephyra PW-5818 SE 1000W 80 PLUS Gold SFX Power Supply1,711$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9816 XT 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/54779891 (accessed 2026-10-25).