Hardware Spec Index

Caldera FN-1781 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1781-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index894 (Case Fans scale)
Category rank#7,084
Street price$29
Power3 W
Performance per dollar30.83
Released2026

Specifications

BrandCaldera
ModelCaldera FN-1781 Pro
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise33 dBA
BearingMagnetic levitation
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
Caldera FN-5186 SE 120mm PWM ARGB Case Fan1,277$49Compare
Teralux FN-4700 Prime 120mm PWM Case Fan (3-Pack)803$19Compare
Caldera FN-1259 Core 120mm PWM Case Fan (3-Pack)327$9Compare
Brontix FN-5933 Edge 120mm PWM ARGB Case Fan1,166$39Compare
Caldera FN-2864 Ultra 120mm PWM ARGB Case Fan1,237$39Compare
Brontix FN-6368 Pro 140mm PWM ARGB Case Fan1,400$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-1781 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4304151 (accessed 2026-10-20).