Hardware Spec Index

Caldera FN-5646 Pro 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN5646-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,215 (Case Fans scale)
Category rank#38,581
Street price$49
Power3 W
Performance per dollar24.80
Released2019

Specifications

BrandCaldera
ModelCaldera FN-5646 Pro
Size120 × 120 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise29 dBA
BearingRifle 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
Teralux FN-8634 Plus 120mm PWM ARGB Case Fan (3-Pack)1,383$49Compare
Brontix FN-3677 Core 120mm PWM ARGB Case Fan1,215$39Compare
Brontix FN-2145 Core 120mm PWM Case Fan (3-Pack)326$9Compare
Brontix FN-3459 XT 120mm PWM ARGB Case Fan1,004$29Compare
Zephyra FN-7705 Plus 120mm PWM Case Fan334$9Compare
Caldera FN-8250 SE 140mm PWM ARGB Case Fan1,334$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-5646 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/266221 (accessed 2026-10-19).