Hardware Spec Index

Zephyra FN-7731 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN7731-PRIME · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index705 (Case Fans scale)
Category rank#22,295
Street price$19
Power3 W
Performance per dollar37.11
Released2022

Specifications

BrandZephyra
ModelZephyra FN-7731 Prime
Size120 × 120 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7731 Prime 120mm PWM Case Fan”, https://vextor7.com/item/32932107 (accessed 2026-10-25).