Hardware Spec Index

Caldera FN-4631 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4631-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index561 (Case Fans scale)
Category rank#33,286
Street price$19
Power3 W
Performance per dollar29.53
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4631 Ultra
Size120 × 120 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4631 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/14993166 (accessed 2026-10-20).