Hardware Spec Index

Zephyra FN-4921 Plus 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4921-PLUS · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index360 (Case Fans scale)
Category rank#16,147
Street price$9
Power4 W
Performance per dollar40.00
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4921 Plus
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4921 Plus 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/10248003 (accessed 2026-10-20).