Hardware Spec Index

Caldera FN-2521 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN2521-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index884 (Case Fans scale)
Category rank#1,779
Street price$29
Power3 W
Performance per dollar30.48
Released2025

Specifications

BrandCaldera
ModelCaldera FN-2521 Ultra
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise29 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-2521 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/2107151 (accessed 2026-10-19).