Hardware Spec Index

Caldera FN-7821 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN7821-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index695 (Case Fans scale)
Category rank#40,186
Street price$19
Power3 W
Performance per dollar36.58
Released2022

Specifications

BrandCaldera
ModelCaldera FN-7821 Ultra
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-7821 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/9712812 (accessed 2026-10-23).