Hardware Spec Index

Caldera FN-6638 Plus 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6638-PLUS · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index366 (Case Fans scale)
Category rank#35,756
Street price$9
Power4 W
Performance per dollar40.67
Released2023

Specifications

BrandCaldera
ModelCaldera FN-6638 Plus
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6638 Plus 120mm PWM Case Fan”, https://vextor7.com/item/11278728 (accessed 2026-10-26).