Hardware Spec Index

Zephyra PW-8911 Ultra 1200W 80 PLUS Titanium ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW8911-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index2,596 (Power Supplies scale)
Category rank#5,617
Street price$369
Power1200 W (rated)
Performance per dollar7.04
Released2024

Specifications

BrandZephyra
ModelZephyra PW-8911 Ultra
Rated output1,200 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-2042 SE 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,620$319Compare
Zephyra PW-4802 Ultra 750W 80 PLUS Gold SFX Power Supply1,193$59Compare
Caldera PW-5850 Plus 750W 80 PLUS Gold ATX 3.1 Power Supply1,426$89Compare
Teralux PW-2336 XT 550W 80 PLUS Bronze ATX Power Supply1,069$59Compare
Teralux PW-8344 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply899$39Compare
Teralux PW-4866 Ti 1200W 80 PLUS Gold ATX Power Supply2,310$269Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8911 Ultra 1200W 80 PLUS Titanium ATX 3.1 Power Supply”, https://vextor7.com/item/940583 (accessed 2026-10-19).