Hardware Spec Index

Caldera FN-7521 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN7521-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index423 (Case Fans scale)
Category rank#2,603
Street price$9
Power4 W
Performance per dollar47.00
Released2024

Specifications

BrandCaldera
ModelCaldera FN-7521 Prime
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-7521 Prime 140mm PWM Case Fan”, https://vextor7.com/item/20142580 (accessed 2026-10-20).