Hardware Spec Index

Caldera FN-6543 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6543-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index643 (Case Fans scale)
Category rank#45,003
Street price$19
Power4 W
Performance per dollar33.84
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6543 Pro
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-2966 Edge 120mm PWM ARGB Case Fan1,101$39Compare
Corvane FN-4203 Pro 120mm PWM ARGB Case Fan (3-Pack)832$29Compare
Caldera FN-7135 Plus 120mm PWM Case Fan456$19Compare
Corvane FN-1332 Ti 140mm PWM ARGB Case Fan1,383$49Compare
Zephyra FN-4848 XT 140mm PWM ARGB Case Fan (3-Pack)816$29Compare
Brontix FN-7205 Ti 120mm PWM ARGB Case Fan (3-Pack)1,295$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6543 Pro 140mm PWM Case Fan”, https://vextor7.com/item/3315586 (accessed 2026-10-25).