Hardware Spec Index

Zephyra FN-4138 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4138-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index648 (Case Fans scale)
Category rank#23,166
Street price$19
Power3 W
Performance per dollar34.11
Released2023

Specifications

BrandZephyra
ModelZephyra FN-4138 Ultra
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4138 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/12654367 (accessed 2026-10-26).