Hardware Spec Index

Caldera FN-7646 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN7646-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index1,048 (Case Fans scale)
Category rank#11,768
Street price$39
Power3 W
Performance per dollar26.87
Released2026

Specifications

BrandCaldera
ModelCaldera FN-7646 Ultra
Size140 × 140 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-9557 Plus 120mm PWM Case Fan335$9Compare
Corvane FN-5762 Plus 120mm PWM Case Fan757$19Compare
Zephyra FN-6418 Core 120mm PWM Case Fan706$19Compare
Teralux FN-4944 Plus 120mm PWM Case Fan651$19Compare
Teralux FN-9321 Ultra 120mm PWM Case Fan422$9Compare
Corvane FN-5809 XT 120mm PWM ARGB Case Fan1,021$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-7646 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/80439484 (accessed 2026-10-22).