Hardware Spec Index

Caldera FN-4677 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4677-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index917 (Case Fans scale)
Category rank#1,284
Street price$29
Power4 W
Performance per dollar31.62
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4677 Ultra
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise30 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
Teralux FN-8537 SE 120mm PWM ARGB Case Fan (3-Pack)1,238$49Compare
Zephyra FN-2277 Core 140mm PWM ARGB Case Fan1,015$39Compare
Corvane FN-3365 SE 140mm PWM ARGB Case Fan837$29Compare
Brontix FN-6183 XT 140mm PWM Case Fan574$19Compare
Caldera FN-3674 Core 120mm PWM ARGB Case Fan1,097$39Compare
Teralux FN-9468 XT 120mm PWM Case Fan391$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4677 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/447190 (accessed 2026-10-19).