Hardware Spec Index

Caldera FN-4821 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4821-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index566 (Case Fans scale)
Category rank#42,411
Street price$19
Power3 W
Performance per dollar29.79
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4821 Ultra
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4821 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/5484208 (accessed 2026-10-22).