Hardware Spec Index

Zephyra FN-1851 Prime 140mm PWM Case Fan

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

Key facts

Benchmark index406 (Case Fans scale)
Category rank#31,793
Street price$9
Power3 W
Performance per dollar45.11
Released2026

Specifications

BrandZephyra
ModelZephyra FN-1851 Prime
Size140 × 140 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1851 Prime 140mm PWM Case Fan”, https://vextor7.com/item/871667 (accessed 2026-10-21).