Hardware Spec Index

Caldera FN-6686 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6686-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index585 (Case Fans scale)
Category rank#8,824
Street price$19
Power3 W
Performance per dollar30.79
Released2026

Specifications

BrandCaldera
ModelCaldera FN-6686 Ultra
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-8631 Max 140mm PWM Case Fan679$19Compare
Brontix FN-3823 Ti 120mm PWM Case Fan (3-Pack)733$19Compare
Brontix FN-4055 Ultra 120mm PWM ARGB Case Fan960$29Compare
Caldera FN-8488 Ti 120mm PWM ARGB Case Fan (3-Pack)1,294$49Compare
Zephyra FN-5306 Max 120mm PWM ARGB Case Fan1,221$39Compare
Brontix FN-8069 Edge 120mm PWM ARGB Case Fan1,321$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6686 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/20204294 (accessed 2026-10-22).