Hardware Spec Index

Zephyra FN-3728 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3728-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index580 (Case Fans scale)
Category rank#17,120
Street price$19
Power3 W
Performance per dollar30.53
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3728 Ultra
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-7995 Ultra 120mm PWM Case Fan (3-Pack)218$9Compare
Brontix FN-7974 Ti 120mm PWM ARGB Case Fan1,028$29Compare
Brontix FN-8116 Prime 140mm PWM Case Fan (3-Pack)445$9Compare
Brontix FN-4668 Max 120mm PWM Case Fan646$19Compare
Brontix FN-8752 Core 120mm PWM ARGB Case Fan (3-Pack)1,097$39Compare
Corvane FN-2892 XT 140mm PWM Case Fan360$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3728 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/212771 (accessed 2026-10-20).