Hardware Spec Index

Zephyra FN-5784 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5784-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index782 (Case Fans scale)
Category rank#47,251
Street price$29
Power3 W
Performance per dollar26.97
Released2024

Specifications

BrandZephyra
ModelZephyra FN-5784 Ultra
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise22 dBA
BearingMagnetic levitation
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-9533 Edge 120mm PWM ARGB Case Fan847$29Compare
Zephyra FN-5679 Prime 120mm PWM ARGB Case Fan1,037$39Compare
Caldera FN-3548 Pro 120mm PWM ARGB Case Fan883$29Compare
Brontix FN-6748 Pro 140mm PWM ARGB Case Fan1,090$29Compare
Corvane FN-6778 SE 140mm PWM Case Fan450$19Compare
Corvane FN-6801 XT 120mm PWM Case Fan315$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-5784 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/43319908 (accessed 2026-10-20).