Hardware Spec Index

Caldera PW-6660 XT 750W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW6660-XT · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index1,283 (Power Supplies scale)
Category rank#43,496
Street price$59
Power750 W (rated)
Performance per dollar21.75
Released2025

Specifications

BrandCaldera
ModelCaldera PW-6660 XT
Rated output750 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-pin2×
Form factorATX
ModularityFully modular
Fan135 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
Caldera PW-1073 XT 650W 80 PLUS Gold ATX 3.1 Power Supply1,105$59Compare
Caldera PW-2973 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply2,110$159Compare
Novexa PW-3386 Max 1000W 80 PLUS Gold SFX Power Supply2,120$169Compare
Vantrel PW-3301 Core 850W 80 PLUS Platinum ATX Power Supply2,075$179Compare
Teralux PW-4194 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply1,769$139Compare
Zephyra PW-1408 Core 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,515$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6660 XT 750W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/75530701 (accessed 2026-10-24).