Hardware Spec Index

Caldera FN-4121 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4121-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index633 (Case Fans scale)
Category rank#47,800
Street price$19
Power4 W
Performance per dollar33.32
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4121 Prime
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4121 Prime 120mm PWM Case Fan”, https://vextor7.com/item/845396 (accessed 2026-10-19).