Hardware Spec Index

Caldera PW-2971 Ti 850W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW2971-TI · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index2,120 (Power Supplies scale)
Category rank#11,659
Street price$169
Power850 W (rated)
Performance per dollar12.54
Released2023

Specifications

BrandCaldera
ModelCaldera PW-2971 Ti
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-6886 Prime 1300W 80 PLUS Platinum ATX Power Supply2,835$359Compare
Caldera PW-6052 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,441$89Compare
Novexa PW-7638 Prime 650W 80 PLUS Bronze SFX Power Supply1,359$79Compare
Teralux PW-2876 Max 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,342$269Compare
Novexa PW-8777 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,453$89Compare
Zephyra PW-1276 SE 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,921$329Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2971 Ti 850W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/18019293 (accessed 2026-10-21).