Hardware Spec Index

Caldera FN-5755 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5755-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index519 (Case Fans scale)
Category rank#33,859
Street price$19
Power4 W
Performance per dollar27.32
Released2020

Specifications

BrandCaldera
ModelCaldera FN-5755 Pro
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 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
Zephyra FN-6661 Prime 120mm PWM Case Fan (3-Pack)613$19Compare
Zephyra FN-9155 Ti 120mm PWM ARGB Case Fan834$29Compare
Zephyra FN-3668 Edge 120mm PWM Case Fan586$19Compare
Corvane FN-2424 XT 140mm PWM Case Fan338$9Compare
Caldera FN-6363 Pro 140mm PWM Case Fan252$9Compare
Zephyra FN-6779 SE 120mm PWM Case Fan646$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-5755 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4909659 (accessed 2026-10-25).