Hardware Spec Index

Caldera PW-2143 Ultra 1200W 80 PLUS Titanium ATX Power Supply

Power Supplies · Caldera · SKU PW2143-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index2,524 (Power Supplies scale)
Category rank#14,289
Street price$329
Power1200 W (rated)
Performance per dollar7.67
Released2021

Specifications

BrandCaldera
ModelCaldera PW-2143 Ultra
Rated output1,200 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan120 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
Novexa PW-8282 Plus 1300W 80 PLUS Platinum ATX Power Supply2,866$399Compare
Zephyra PW-2402 Edge 550W 80 PLUS Bronze ATX Power Supply854$39Compare
Teralux PW-8498 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply758$39Compare
Zephyra PW-9672 Ti 1200W 80 PLUS Titanium ATX Power Supply2,723$339Compare
Novexa PW-9912 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply2,017$159Compare
Zephyra PW-7265 Max 750W 80 PLUS Gold ATX 3.1 Power Supply1,485$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2143 Ultra 1200W 80 PLUS Titanium ATX Power Supply”, https://vextor7.com/item/6013249 (accessed 2026-10-22).