Hardware Spec Index

Caldera PW-9666 Ultra 1200W 80 PLUS Titanium ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW9666-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index2,762 (Power Supplies scale)
Category rank#20,624
Street price$359
Power1200 W (rated)
Performance per dollar7.69
Released2025

Specifications

BrandCaldera
ModelCaldera PW-9666 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
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-3254 Plus 550W 80 PLUS Bronze ATX Power Supply780$39Compare
Caldera PW-5729 Core 1200W 80 PLUS Gold ATX 3.1 Power Supply2,189$209Compare
Caldera PW-8341 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,752$159Compare
Teralux PW-4973 Ti 750W 80 PLUS Bronze ATX 3.0 Power Supply1,078$49Compare
Zephyra PW-3635 Max 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,759$349Compare
Teralux PW-1557 XT 850W 80 PLUS Platinum SFX Power Supply1,939$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9666 Ultra 1200W 80 PLUS Titanium ATX 3.1 Power Supply”, https://vextor7.com/item/7970301 (accessed 2026-10-26).