Hardware Spec Index

Zephyra FN-3851 Core 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3851-CORE · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,183 (Case Fans scale)
Category rank#17,835
Street price$49
Power3 W
Performance per dollar24.14
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3851 Core
Size140 × 140 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3851 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/10058656 (accessed 2026-10-22).