Hardware Spec Index

Zephyra FN-5311 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN5311-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index262 (Case Fans scale)
Category rank#40,685
Street price$9
Power3 W
Performance per dollar29.11
Released2019

Specifications

BrandZephyra
ModelZephyra FN-5311 Ultra
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5311 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/849472 (accessed 2026-10-24).