Hardware Spec Index

Zephyra FN-6721 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN6721-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index641 (Case Fans scale)
Category rank#44,390
Street price$19
Power3 W
Performance per dollar33.74
Released2024

Specifications

BrandZephyra
ModelZephyra FN-6721 Ultra
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6721 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/6072231 (accessed 2026-10-23).