Hardware Spec Index

Caldera FN-6446 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6446-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,252 (Case Fans scale)
Category rank#24,545
Street price$39
Power3 W
Performance per dollar32.10
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6446 Ultra
Size140 × 140 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise29 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
Zephyra FN-8887 Ultra 140mm PWM ARGB Case Fan1,037$29Compare
Zephyra FN-4944 Edge 120mm PWM Case Fan439$9Compare
Teralux FN-7102 Core 140mm PWM ARGB Case Fan1,182$39Compare
Brontix FN-2791 Pro 120mm PWM ARGB Case Fan (3-Pack)1,007$39Compare
Brontix FN-9380 Plus 120mm PWM ARGB Case Fan1,292$49Compare
Brontix FN-3747 Pro 120mm PWM ARGB Case Fan1,083$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6446 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4755380 (accessed 2026-10-20).