Hardware Spec Index

Caldera PW-2191 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2191-TI · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index2,081 (Power Supplies scale)
Category rank#35,413
Street price$199
Power1000 W (rated)
Performance per dollar10.46
Released2025

Specifications

BrandCaldera
ModelCaldera PW-2191 Ti
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% 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
Caldera PW-1570 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply952$49Compare
Zephyra PW-9912 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply1,059$59Compare
Teralux PW-4234 Ultra 850W 80 PLUS Bronze SFX Power Supply1,432$99Compare
Novexa PW-7160 XT 850W 80 PLUS Gold ATX Power Supply1,238$69Compare
Vantrel PW-6477 Core 850W 80 PLUS Bronze ATX 3.0 Power Supply1,267$69Compare
Caldera PW-4895 XT 850W 80 PLUS Gold ATX Power Supply1,618$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2191 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/5464366 (accessed 2026-10-19).