Hardware Spec Index

Caldera FN-6548 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6548-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index656 (Case Fans scale)
Category rank#7,179
Street price$19
Power3 W
Performance per dollar34.53
Released2023

Specifications

BrandCaldera
ModelCaldera FN-6548 Ultra
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6548 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/76014651 (accessed 2026-10-23).