Hardware Spec Index

Zephyra PW-2261 Ultra 850W 80 PLUS Platinum ATX Power Supply

Power Supplies · Zephyra · SKU PW2261-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,935 (Power Supplies scale)
Category rank#19,742
Street price$179
Power850 W (rated)
Performance per dollar10.81
Released2021

Specifications

BrandZephyra
ModelZephyra PW-2261 Ultra
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 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
Teralux PW-5018 Max 650W 80 PLUS Gold ATX 3.0 Power Supply893$39Compare
Novexa PW-3799 Edge 1300W 80 PLUS Platinum ATX Power Supply2,872$399Compare
Teralux PW-7745 Ultra 550W 80 PLUS Bronze SFX Power Supply694$39Compare
Caldera PW-4221 Pro 750W 80 PLUS Gold ATX Power Supply1,417$99Compare
Vantrel PW-6480 Edge 850W 80 PLUS Gold SFX Power Supply1,135$59Compare
Teralux PW-1948 SE 550W 80 PLUS Bronze ATX 3.1 Power Supply816$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2261 Ultra 850W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/5952978 (accessed 2026-10-25).