Hardware Spec Index

Caldera FN-7421 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN7421-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index298 (Case Fans scale)
Category rank#37,408
Street price$9
Power3 W
Performance per dollar33.11
Released2021

Specifications

BrandCaldera
ModelCaldera FN-7421 Pro
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-2519 Core 120mm PWM ARGB Case Fan985$29Compare
Brontix FN-8473 Core 140mm PWM ARGB Case Fan975$29Compare
Caldera FN-8422 Core 120mm PWM Case Fan (3-Pack)321$9Compare
Zephyra FN-9122 Edge 120mm PWM ARGB Case Fan1,254$39Compare
Caldera FN-4318 XT 140mm PWM Case Fan (3-Pack)547$19Compare
Teralux FN-5549 Edge 120mm PWM Case Fan498$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-7421 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7765705 (accessed 2026-10-20).