Hardware Spec Index

Caldera PW-6663 Core 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW6663-CORE · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index863 (Power Supplies scale)
Category rank#46,381
Street price$49
Power550 W (rated)
Performance per dollar17.61
Released2022

Specifications

BrandCaldera
ModelCaldera PW-6663 Core
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-modular
Fan120 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
Teralux PW-5246 Prime 1600W 80 PLUS Titanium ATX Power Supply2,712$339Compare
Caldera PW-9692 Pro 550W 80 PLUS Bronze ATX Power Supply855$39Compare
Teralux PW-2065 Prime 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,980$359Compare
Zephyra PW-4002 XT 1200W 80 PLUS Gold ATX 3.0 Power Supply2,324$219Compare
Caldera PW-6723 Pro 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,871$339Compare
Novexa PW-9572 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,672$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6663 Core 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/7315465 (accessed 2026-10-20).