Hardware Spec Index

Caldera FN-2638 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN2638-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index773 (Case Fans scale)
Category rank#22,829
Street price$29
Power4 W
Performance per dollar26.66
Released2022

Specifications

BrandCaldera
ModelCaldera FN-2638 Prime
Size120 × 120 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2638 Prime 120mm PWM Case Fan”, https://vextor7.com/item/30034077 (accessed 2026-10-19).