Hardware Spec Index

Caldera FN-4121 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4121-CORE · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index719 (Case Fans scale)
Category rank#18,209
Street price$19
Power4 W
Performance per dollar37.84
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4121 Core
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4121 Core 140mm PWM Case Fan”, https://vextor7.com/item/18655606 (accessed 2026-10-21).