Hardware Spec Index

Zephyra FN-5684 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5684-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,142 (Case Fans scale)
Category rank#14,321
Street price$39
Power4 W
Performance per dollar29.28
Released2025

Specifications

BrandZephyra
ModelZephyra FN-5684 Ultra
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-2360 XT 140mm PWM ARGB Case Fan1,127$39Compare
Teralux FN-3287 Ti 120mm PWM ARGB Case Fan1,079$29Compare
Brontix FN-6404 Edge 140mm PWM Case Fan (3-Pack)747$19Compare
Zephyra FN-6391 SE 140mm PWM ARGB Case Fan1,122$39Compare
Caldera FN-8953 Edge 140mm PWM Case Fan436$19Compare
Caldera FN-6294 Plus 140mm PWM Case Fan488$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-5684 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/48414650 (accessed 2026-10-20).