Hardware Spec Index

Brontix FN-8921 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN8921-PRIME · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index1,255 (Case Fans scale)
Category rank#1,899
Street price$39
Power4 W
Performance per dollar32.18
Released2021

Specifications

BrandBrontix
ModelBrontix FN-8921 Prime
Size120 × 120 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-1963 Core 120mm PWM ARGB Case Fan995$29Compare
Caldera FN-3333 Plus 120mm PWM ARGB Case Fan1,400$49Compare
Teralux FN-7637 XT 120mm PWM Case Fan624$19Compare
Teralux FN-4905 Core 140mm PWM Case Fan241$9Compare
Caldera FN-2583 Ti 120mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-4932 SE 120mm PWM ARGB Case Fan807$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-8921 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/19861069 (accessed 2026-10-18).