Hardware Spec Index

Caldera FN-9921 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN9921-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index637 (Case Fans scale)
Category rank#10,774
Street price$19
Power3 W
Performance per dollar33.53
Released2021

Specifications

BrandCaldera
ModelCaldera FN-9921 Pro
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-5721 Edge 120mm PWM ARGB Case Fan1,400$49Compare
Corvane FN-7860 Edge 140mm PWM ARGB Case Fan (3-Pack)1,318$39Compare
Teralux FN-4957 Pro 120mm PWM ARGB Case Fan (3-Pack)1,186$49Compare
Zephyra FN-7395 Plus 140mm PWM Case Fan332$9Compare
Caldera FN-5545 Edge 120mm PWM Case Fan283$9Compare
Caldera FN-4923 Pro 120mm PWM Case Fan397$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-9921 Pro 120mm PWM Case Fan”, https://vextor7.com/item/666146 (accessed 2026-10-19).