Hardware Spec Index

Caldera FN-4938 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4938-PRIME · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index460 (Case Fans scale)
Category rank#7,471
Street price$19
Power3 W
Performance per dollar24.21
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4938 Prime
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4938 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7746029 (accessed 2026-10-24).