Hardware Spec Index

Caldera FN-6645 SE 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6645-SE · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index528 (Case Fans scale)
Category rank#4,211
Street price$19
Power3 W
Performance per dollar27.79
Released2019

Specifications

BrandCaldera
ModelCaldera FN-6645 SE
Size120 × 120 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6645 SE 120mm PWM Case Fan”, https://vextor7.com/item/7620170 (accessed 2026-10-20).