Hardware Spec Index

Zephyra FN-4641 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4641-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index605 (Case Fans scale)
Category rank#37,241
Street price$19
Power4 W
Performance per dollar31.84
Released2023

Specifications

BrandZephyra
ModelZephyra FN-4641 Ultra
Size120 × 120 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4641 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/69724085 (accessed 2026-10-20).