Hardware Spec Index

Caldera FN-2581 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2581-SE · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index632 (Case Fans scale)
Category rank#38,337
Street price$19
Power3 W
Performance per dollar33.26
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2581 SE
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-2574 Ti 120mm PWM ARGB Case Fan1,014$29Compare
Brontix FN-9836 Ti 120mm PWM Case Fan (3-Pack)294$9Compare
Corvane FN-4319 SE 140mm PWM ARGB Case Fan1,312$49Compare
Zephyra FN-3157 Core 120mm PWM ARGB Case Fan970$29Compare
Teralux FN-1209 Ti 120mm PWM ARGB Case Fan859$29Compare
Corvane FN-9563 Ultra 120mm PWM Case Fan268$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-2581 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5234538 (accessed 2026-10-26).