Hardware Spec Index

Zephyra FN-1977 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN1977-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index333 (Case Fans scale)
Category rank#6,799
Street price$9
Power3 W
Performance per dollar37.00
Released2019

Specifications

BrandZephyra
ModelZephyra FN-1977 Prime
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1977 Prime 120mm PWM Case Fan”, https://vextor7.com/item/6742334 (accessed 2026-10-26).