Hardware Spec Index

Caldera PW-6647 Plus 1000W 80 PLUS Platinum ATX Power Supply

Power Supplies · Caldera · SKU PW6647-PLUS · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index2,422 (Power Supplies scale)
Category rank#20,973
Street price$259
Power1000 W (rated)
Performance per dollar9.35
Released2019

Specifications

BrandCaldera
ModelCaldera PW-6647 Plus
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan140 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
Caldera PW-3499 Plus 1000W 80 PLUS Platinum SFX Power Supply2,285$239Compare
Novexa PW-8675 Pro 750W 80 PLUS Bronze SFX Power Supply1,372$79Compare
Caldera PW-7063 Pro 1600W 80 PLUS Titanium ATX Power Supply2,980$399Compare
Novexa PW-2690 Edge 750W 80 PLUS Bronze ATX 3.1 Power Supply1,028$49Compare
Vantrel PW-3374 Ti 750W 80 PLUS Bronze ATX 3.1 Power Supply1,270$79Compare
Teralux PW-1080 Ultra 850W 80 PLUS Gold SFX Power Supply1,789$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6647 Plus 1000W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/2108602 (accessed 2026-10-21).