Hardware Spec Index

Caldera FN-4878 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4878-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index331 (Case Fans scale)
Category rank#49,208
Street price$9
Power4 W
Performance per dollar36.78
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4878 Ultra
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4878 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/15420229 (accessed 2026-10-20).