Hardware Spec Index

Brontix FN-5881 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5881-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,324 (Case Fans scale)
Category rank#5,790
Street price$49
Power3 W
Performance per dollar27.02
Released2023

Specifications

BrandBrontix
ModelBrontix FN-5881 Ultra
Size140 × 140 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-7459 Pro 120mm PWM Case Fan215$9Compare
Zephyra FN-4407 Core 140mm PWM ARGB Case Fan (3-Pack)1,051$29Compare
Corvane FN-3095 Max 140mm PWM ARGB Case Fan (3-Pack)781$29Compare
Brontix FN-5826 SE 120mm PWM ARGB Case Fan (3-Pack)1,319$49Compare
Teralux FN-7712 Pro 120mm PWM ARGB Case Fan1,400$49Compare
Zephyra FN-7740 Plus 120mm PWM Case Fan774$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-5881 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/33037283 (accessed 2026-10-24).