Hardware Spec Index

Caldera FN-6670 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6670-PRIME · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index391 (Case Fans scale)
Category rank#22,847
Street price$9
Power4 W
Performance per dollar43.44
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6670 Prime
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-1128 Ti 140mm PWM ARGB Case Fan837$29Compare
Zephyra FN-7443 Prime 120mm PWM Case Fan316$9Compare
Caldera FN-5427 Edge 120mm PWM ARGB Case Fan867$29Compare
Teralux FN-3303 Ti 120mm PWM Case Fan (3-Pack)409$19Compare
Teralux FN-1591 SE 120mm PWM ARGB Case Fan (3-Pack)1,332$49Compare
Corvane FN-3633 Plus 120mm PWM Case Fan653$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6670 Prime 140mm PWM Case Fan”, https://vextor7.com/item/1786784 (accessed 2026-10-21).