Hardware Spec Index

Caldera FN-9721 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN9721-PLUS · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index523 (Case Fans scale)
Category rank#2,286
Street price$19
Power4 W
Performance per dollar27.53
Released2022

Specifications

BrandCaldera
ModelCaldera FN-9721 Plus
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-7571 SE 120mm PWM ARGB Case Fan923$29Compare
Zephyra FN-4922 Ti 140mm PWM Case Fan (3-Pack)218$9Compare
Teralux FN-8737 Max 120mm PWM Case Fan391$9Compare
Caldera FN-4603 SE 140mm PWM Case Fan (3-Pack)319$9Compare
Zephyra FN-7706 Ti 120mm PWM ARGB Case Fan (3-Pack)1,010$29Compare
Caldera FN-8223 Pro 120mm PWM ARGB Case Fan954$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-9721 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7937253 (accessed 2026-10-22).