Hardware Spec Index

Caldera FN-3661 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3661-PRIME · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index851 (Case Fans scale)
Category rank#25,456
Street price$29
Power3 W
Performance per dollar29.34
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3661 Prime
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise24 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
Brontix FN-1046 Core 140mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-7019 XT 120mm PWM ARGB Case Fan1,042$39Compare
Caldera FN-8289 Plus 120mm PWM Case Fan740$19Compare
Brontix FN-8292 Plus 120mm PWM ARGB Case Fan1,030$39Compare
Zephyra FN-1247 Core 120mm PWM ARGB Case Fan994$39Compare
Caldera FN-1850 XT 120mm PWM Case Fan658$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3661 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/2082285 (accessed 2026-10-24).