Hardware Spec Index

Caldera FN-1645 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1645-XT · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index499 (Case Fans scale)
Category rank#30,256
Street price$19
Power3 W
Performance per dollar26.26
Released2021

Specifications

BrandCaldera
ModelCaldera FN-1645 XT
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1645 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/72941031 (accessed 2026-10-21).