Hardware Spec Index

Caldera FN-6639 Core 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6639-CORE · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index418 (Case Fans scale)
Category rank#40,181
Street price$19
Power3 W
Performance per dollar22.00
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6639 Core
Size120 × 120 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise26 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
Corvane FN-6864 SE 120mm PWM Case Fan (3-Pack)247$9Compare
Zephyra FN-9423 Max 120mm PWM Case Fan (3-Pack)235$9Compare
Corvane FN-8227 XT 120mm PWM ARGB Case Fan1,380$49Compare
Brontix FN-9835 Core 140mm PWM Case Fan617$19Compare
Teralux FN-7467 Edge 120mm PWM ARGB Case Fan1,350$49Compare
Corvane FN-4314 XT 140mm PWM Case Fan684$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6639 Core 120mm PWM Case Fan”, https://vextor7.com/item/2274663 (accessed 2026-10-24).