Hardware Spec Index

Caldera FN-3685 Prime 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3685-PRIME · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index980 (Case Fans scale)
Category rank#33,183
Street price$29
Power3 W
Performance per dollar33.79
Released2026

Specifications

BrandCaldera
ModelCaldera FN-3685 Prime
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-5563 Edge 140mm PWM Case Fan276$9Compare
Zephyra FN-4082 Core 120mm PWM Case Fan761$19Compare
Zephyra FN-6797 Ultra 140mm PWM ARGB Case Fan1,079$29Compare
Caldera FN-1163 Prime 120mm PWM Case Fan507$19Compare
Caldera FN-6283 Ultra 140mm PWM Case Fan467$19Compare
Teralux FN-3848 Core 120mm PWM ARGB Case Fan (3-Pack)967$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3685 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4853670 (accessed 2026-10-26).