Hardware Spec Index

Caldera FN-9978 XT 120mm PWM Case Fan

Case Fans · Caldera · SKU FN9978-XT · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index518 (Case Fans scale)
Category rank#22,457
Street price$19
Power2 W
Performance per dollar27.26
Released2021

Specifications

BrandCaldera
ModelCaldera FN-9978 XT
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9978 XT 120mm PWM Case Fan”, https://vextor7.com/item/403316 (accessed 2026-10-21).