Hardware Spec Index

Brontix FN-5881 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5881-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index302 (Case Fans scale)
Category rank#12,541
Street price$9
Power3 W
Performance per dollar33.56
Released2024

Specifications

BrandBrontix
ModelBrontix FN-5881 Ultra
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5881 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/889550 (accessed 2026-10-25).