Hardware Spec Index

Zephyra FN-3845 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3845-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,051 (Case Fans scale)
Category rank#5,428
Street price$29
Power3 W
Performance per dollar36.24
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3845 Ultra
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3845 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/32329824 (accessed 2026-10-23).