Hardware Spec Index

Caldera FN-6655 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6655-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index286 (Case Fans scale)
Category rank#14,300
Street price$9
Power3 W
Performance per dollar31.78
Released2023

Specifications

BrandCaldera
ModelCaldera FN-6655 Ultra
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6655 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/95033824 (accessed 2026-10-25).