Hardware Spec Index

Caldera FN-9646 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN9646-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index1,089 (Case Fans scale)
Category rank#49,118
Street price$39
Power3 W
Performance per dollar27.92
Released2022

Specifications

BrandCaldera
ModelCaldera FN-9646 Ultra
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise28 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-4076 Ti 120mm PWM ARGB Case Fan1,206$49Compare
Corvane FN-9341 Max 120mm PWM ARGB Case Fan (3-Pack)1,305$49Compare
Caldera FN-9267 SE 120mm PWM Case Fan (3-Pack)700$19Compare
Zephyra FN-9546 Pro 120mm PWM ARGB Case Fan1,327$49Compare
Brontix FN-4187 SE 120mm PWM ARGB Case Fan (3-Pack)931$29Compare
Zephyra FN-8636 Ultra 120mm PWM ARGB Case Fan (3-Pack)1,050$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-9646 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/17022802 (accessed 2026-10-22).