Hardware Spec Index

Caldera FN-4421 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4421-XT · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index321 (Case Fans scale)
Category rank#22,165
Street price$9
Power4 W
Performance per dollar35.67
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4421 XT
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-3076 SE 140mm PWM Case Fan508$19Compare
Teralux FN-3220 Ultra 120mm PWM Case Fan553$19Compare
Teralux FN-1394 Ti 120mm PWM Case Fan300$9Compare
Teralux FN-1215 XT 120mm PWM Case Fan634$19Compare
Teralux FN-4100 Ultra 120mm PWM Case Fan (3-Pack)530$19Compare
Teralux FN-9955 Ultra 120mm PWM ARGB Case Fan1,127$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4421 XT 140mm PWM Case Fan”, https://vextor7.com/item/42326136 (accessed 2026-10-20).