Hardware Spec Index

Caldera FN-9821 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN9821-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index706 (Case Fans scale)
Category rank#36,374
Street price$19
Power3 W
Performance per dollar37.16
Released2020

Specifications

BrandCaldera
ModelCaldera FN-9821 Prime
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9821 Prime 140mm PWM Case Fan”, https://vextor7.com/item/4147705 (accessed 2026-10-19).