Hardware Spec Index

Caldera FN-4905 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4905-PRO · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index546 (Case Fans scale)
Category rank#3,626
Street price$19
Power4 W
Performance per dollar28.74
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4905 Pro
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-1622 SE 120mm PWM Case Fan483$19Compare
Corvane FN-2979 Max 140mm PWM ARGB Case Fan1,369$49Compare
Caldera FN-6204 Pro 120mm PWM Case Fan478$19Compare
Caldera FN-9173 Pro 120mm PWM Case Fan296$9Compare
Zephyra FN-2805 Plus 120mm PWM Case Fan265$9Compare
Zephyra FN-2556 Ultra 120mm PWM ARGB Case Fan1,372$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4905 Pro 120mm PWM Case Fan”, https://vextor7.com/item/12879883 (accessed 2026-10-23).