Hardware Spec Index

Zephyra FN-1681 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN1681-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index971 (Case Fans scale)
Category rank#38,908
Street price$29
Power3 W
Performance per dollar33.48
Released2023

Specifications

BrandZephyra
ModelZephyra FN-1681 Ultra
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1681 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/13635976 (accessed 2026-10-19).