Hardware Spec Index

Zephyra FN-5851 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN5851-PRIME · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index453 (Case Fans scale)
Category rank#17,002
Street price$19
Power3 W
Performance per dollar23.84
Released2024

Specifications

BrandZephyra
ModelZephyra FN-5851 Prime
Size140 × 140 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5851 Prime 140mm PWM Case Fan”, https://vextor7.com/item/33338454 (accessed 2026-10-21).