Hardware Spec Index

Zephyra FN-5691 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN5691-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index564 (Case Fans scale)
Category rank#36,833
Street price$19
Power4 W
Performance per dollar29.68
Released2023

Specifications

BrandZephyra
ModelZephyra FN-5691 Prime
Size120 × 120 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5691 Prime 120mm PWM Case Fan”, https://vextor7.com/item/8169352 (accessed 2026-10-19).