Hardware Spec Index

Zephyra FN-4121 Prime 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4121-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,092 (Case Fans scale)
Category rank#12,280
Street price$39
Power3 W
Performance per dollar28.00
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4121 Prime
Size140 × 140 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4121 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/657073 (accessed 2026-10-21).