Hardware Spec Index

Zephyra FN-6681 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN6681-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index382 (Case Fans scale)
Category rank#5,266
Street price$19
Power3 W
Performance per dollar20.11
Released2021

Specifications

BrandZephyra
ModelZephyra FN-6681 Ultra
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6681 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/79482417 (accessed 2026-10-23).