Hardware Spec Index

Caldera FN-7939 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN7939-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index763 (Case Fans scale)
Category rank#31,000
Street price$29
Power3 W
Performance per dollar26.31
Released2026

Specifications

BrandCaldera
ModelCaldera FN-7939 Prime
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-7939 Prime 140mm PWM Case Fan”, https://vextor7.com/item/5818521 (accessed 2026-10-21).