Hardware Spec Index

Caldera FN-4975 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4975-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index886 (Case Fans scale)
Category rank#9,242
Street price$29
Power4 W
Performance per dollar30.55
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4975 Ultra
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4975 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/53666282 (accessed 2026-10-21).