Hardware Spec Index

Caldera FN-6646 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6646-PRO · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index584 (Case Fans scale)
Category rank#23,931
Street price$19
Power3 W
Performance per dollar30.74
Released2024

Specifications

BrandCaldera
ModelCaldera FN-6646 Pro
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-7164 Core 120mm PWM Case Fan503$19Compare
Corvane FN-5235 XT 120mm PWM Case Fan291$9Compare
Zephyra FN-8414 Ti 140mm PWM ARGB Case Fan961$29Compare
Zephyra FN-8985 XT 120mm PWM Case Fan751$19Compare
Zephyra FN-4410 Ti 120mm PWM Case Fan736$29Compare
Corvane FN-6750 Plus 140mm PWM Case Fan (3-Pack)467$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6646 Pro 120mm PWM Case Fan”, https://vextor7.com/item/4560432 (accessed 2026-10-20).