Hardware Spec Index

Caldera FN-1851 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1851-XT · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index544 (Case Fans scale)
Category rank#45,881
Street price$19
Power4 W
Performance per dollar28.63
Released2019

Specifications

BrandCaldera
ModelCaldera FN-1851 XT
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1851 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/50834984 (accessed 2026-10-21).