Hardware Spec Index

Caldera FN-4581 SE 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4581-SE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,190 (Case Fans scale)
Category rank#43,565
Street price$39
Power4 W
Performance per dollar30.51
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4581 SE
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-6375 Core 120mm PWM ARGB Case Fan978$39Compare
Zephyra FN-3138 Ultra 120mm PWM Case Fan723$19Compare
Corvane FN-4885 Prime 140mm PWM Case Fan (3-Pack)312$9Compare
Corvane FN-7516 XT 120mm PWM ARGB Case Fan949$29Compare
Brontix FN-4331 SE 140mm PWM Case Fan (3-Pack)376$9Compare
Zephyra FN-9556 Prime 140mm PWM Case Fan363$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4581 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/675718 (accessed 2026-10-25).