Hardware Spec Index

Caldera PW-6661 Prime 1200W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW6661-PRIME · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index2,212 (Power Supplies scale)
Category rank#21,056
Street price$219
Power1200 W (rated)
Performance per dollar10.10
Released2022

Specifications

BrandCaldera
ModelCaldera PW-6661 Prime
Rated output1,200 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Zephyra PW-3555 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,656$119Compare
Vantrel PW-1190 SE 750W 80 PLUS Gold ATX 3.1 Power Supply1,316$79Compare
Caldera PW-2620 Edge 1200W 80 PLUS Gold ATX 3.1 Power Supply2,467$249Compare
Vantrel PW-2225 Plus 650W 80 PLUS Bronze ATX 3.1 Power Supply729$39Compare
Teralux PW-5143 Core 750W 80 PLUS Gold ATX 3.1 Power Supply984$59Compare
Novexa PW-8863 Plus 1200W 80 PLUS Titanium ATX Power Supply2,430$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6661 Prime 1200W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/800263 (accessed 2026-10-18).