Hardware Spec Index

Caldera FN-4231 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4231-PRIME · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index401 (Case Fans scale)
Category rank#1,059
Street price$19
Power4 W
Performance per dollar21.11
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4231 Prime
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4231 Prime 140mm PWM Case Fan”, https://vextor7.com/item/7755485 (accessed 2026-10-26).