Hardware Spec Index

Caldera FN-8421 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN8421-XT · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index243 (Case Fans scale)
Category rank#9,240
Street price$9
Power3 W
Performance per dollar27.00
Released2025

Specifications

BrandCaldera
ModelCaldera FN-8421 XT
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8421 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/16360355 (accessed 2026-10-22).