Hardware Spec Index

Caldera FN-3421 Plus 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3421-PLUS · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index871 (Case Fans scale)
Category rank#33,783
Street price$29
Power3 W
Performance per dollar30.03
Released2026

Specifications

BrandCaldera
ModelCaldera FN-3421 Plus
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-9541 Core 140mm PWM ARGB Case Fan977$29Compare
Teralux FN-7554 Core 140mm PWM Case Fan637$19Compare
Corvane FN-2924 XT 120mm PWM Case Fan (3-Pack)461$19Compare
Zephyra FN-3436 Max 120mm PWM Case Fan (3-Pack)565$19Compare
Zephyra FN-5475 XT 120mm PWM Case Fan (3-Pack)397$9Compare
Corvane FN-5718 Ti 120mm PWM Case Fan239$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3421 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7898745 (accessed 2026-10-24).