Hardware Spec Index

Caldera FN-9521 Plus 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN9521-PLUS · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index794 (Case Fans scale)
Category rank#40,076
Street price$29
Power3 W
Performance per dollar27.38
Released2021

Specifications

BrandCaldera
ModelCaldera FN-9521 Plus
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-4404 Edge 140mm PWM Case Fan213$9Compare
Corvane FN-7751 Prime 120mm PWM Case Fan382$19Compare
Teralux FN-2805 Plus 120mm PWM Case Fan527$19Compare
Caldera FN-8048 Ultra 120mm PWM Case Fan (3-Pack)268$9Compare
Brontix FN-6558 Max 140mm PWM Case Fan826$29Compare
Brontix FN-9675 Ti 120mm PWM ARGB Case Fan1,364$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-9521 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7568397 (accessed 2026-10-20).