Hardware Spec Index

Caldera PW-1956 Core 1200W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1956-CORE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index2,401 (Power Supplies scale)
Category rank#16,776
Street price$269
Power1200 W (rated)
Performance per dollar8.93
Released2025

Specifications

BrandCaldera
ModelCaldera PW-1956 Core
Rated output1,200 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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-4434 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,758$359Compare
Vantrel PW-6219 SE 1300W 80 PLUS Titanium ATX Power Supply2,604$299Compare
Vantrel PW-5947 Ti 1000W 80 PLUS Gold SFX Power Supply2,035$149Compare
Teralux PW-8567 XT 550W 80 PLUS Gold ATX Power Supply821$39Compare
Vantrel PW-8809 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply1,349$69Compare
Caldera PW-3298 Prime 750W 80 PLUS Bronze ATX 3.1 Power Supply1,344$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1956 Core 1200W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/80247466 (accessed 2026-10-19).