Hardware Spec Index

Caldera FN-2581 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN2581-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,107 (Case Fans scale)
Category rank#28,092
Street price$39
Power2 W
Performance per dollar28.38
Released2025

Specifications

BrandCaldera
ModelCaldera FN-2581 Ultra
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2581 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/84557834 (accessed 2026-10-25).