Hardware Spec Index

Caldera FN-3421 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3421-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index347 (Case Fans scale)
Category rank#17,252
Street price$9
Power3 W
Performance per dollar38.56
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3421 Ultra
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-2141 Max 140mm PWM ARGB Case Fan (3-Pack)1,068$39Compare
Zephyra FN-6416 Pro 140mm PWM ARGB Case Fan1,305$49Compare
Brontix FN-3304 XT 120mm PWM Case Fan719$19Compare
Teralux FN-8792 Max 120mm PWM ARGB Case Fan1,360$49Compare
Caldera FN-8137 Max 120mm PWM Case Fan (3-Pack)250$9Compare
Caldera FN-6645 Edge 120mm PWM Case Fan (3-Pack)228$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3421 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9628832 (accessed 2026-10-23).