Hardware Spec Index

Zephyra FN-4749 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4749-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index463 (Case Fans scale)
Category rank#11,055
Street price$19
Power3 W
Performance per dollar24.37
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4749 Ultra
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-2159 XT 120mm PWM ARGB Case Fan1,041$39Compare
Teralux FN-9643 Prime 120mm PWM Case Fan267$9Compare
Brontix FN-9535 Ti 120mm PWM ARGB Case Fan1,114$39Compare
Brontix FN-5406 XT 120mm PWM Case Fan554$19Compare
Brontix FN-8954 Pro 120mm PWM ARGB Case Fan1,037$39Compare
Zephyra FN-4873 Max 120mm PWM Case Fan353$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4749 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/5541294 (accessed 2026-10-26).