Hardware Spec Index

Caldera FN-4056 Pro 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4056-PRO · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,175 (Case Fans scale)
Category rank#47,237
Street price$39
Power3 W
Performance per dollar30.13
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4056 Pro
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4056 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/33339313 (accessed 2026-10-20).