Hardware Spec Index

Caldera FN-6781 Pro 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6781-PRO · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index1,106 (Case Fans scale)
Category rank#17,728
Street price$39
Power3 W
Performance per dollar28.36
Released2019

Specifications

BrandCaldera
ModelCaldera FN-6781 Pro
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-5560 Ti 120mm PWM ARGB Case Fan (3-Pack)1,241$49Compare
Caldera FN-8988 Ultra 140mm PWM Case Fan715$19Compare
Teralux FN-7361 Pro 120mm PWM ARGB Case Fan1,176$39Compare
Corvane FN-7559 Prime 120mm PWM ARGB Case Fan (3-Pack)1,224$49Compare
Corvane FN-4820 Core 120mm PWM ARGB Case Fan997$29Compare
Teralux FN-2656 Prime 120mm PWM ARGB Case Fan853$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6781 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/18855643 (accessed 2026-10-24).