Hardware Spec Index

Caldera PW-1971 Core 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW1971-CORE · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,959 (Power Supplies scale)
Category rank#5,426
Street price$189
Power1000 W (rated)
Performance per dollar10.37
Released2019

Specifications

BrandCaldera
ModelCaldera PW-1971 Core
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan135 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-4329 XT 650W 80 PLUS Bronze SFX Power Supply1,018$49Compare
Teralux PW-2588 Max 1000W 80 PLUS Gold ATX Power Supply1,697$119Compare
Novexa PW-6411 Core 750W 80 PLUS Gold ATX Power Supply1,425$89Compare
Zephyra PW-5238 Prime 650W 80 PLUS Bronze ATX 3.0 Power Supply761$39Compare
Vantrel PW-2820 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,718$129Compare
Novexa PW-1509 Ti 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,860$349Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1971 Core 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/233541 (accessed 2026-10-20).