Hardware Spec Index

Zephyra FN-6433 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN6433-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,244 (Case Fans scale)
Category rank#26,596
Street price$39
Power4 W
Performance per dollar31.90
Released2020

Specifications

BrandZephyra
ModelZephyra FN-6433 Ultra
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 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
Teralux FN-3862 Edge 140mm PWM ARGB Case Fan1,149$39Compare
Caldera FN-2065 Ti 140mm PWM ARGB Case Fan1,302$49Compare
Teralux FN-8467 Core 120mm PWM Case Fan629$19Compare
Zephyra FN-4865 Ultra 120mm PWM Case Fan512$19Compare
Brontix FN-4721 SE 140mm PWM Case Fan (3-Pack)341$9Compare
Zephyra FN-3659 Edge 120mm PWM ARGB Case Fan904$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-6433 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/27365704 (accessed 2026-10-24).