Hardware Spec Index

Zephyra FN-1851 XT 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN1851-XT · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index592 (Case Fans scale)
Category rank#46,922
Street price$19
Power4 W
Performance per dollar31.16
Released2024

Specifications

BrandZephyra
ModelZephyra FN-1851 XT
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1851 XT 140mm PWM Case Fan”, https://vextor7.com/item/96520622 (accessed 2026-10-21).