Hardware Spec Index

Zephyra FN-4028 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4028-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index801 (Case Fans scale)
Category rank#3,921
Street price$19
Power3 W
Performance per dollar42.16
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4028 Pro
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise27 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
Brontix FN-5724 Plus 120mm PWM Case Fan (3-Pack)359$9Compare
Corvane FN-5086 Ti 140mm PWM Case Fan (3-Pack)380$9Compare
Zephyra FN-6039 XT 120mm PWM ARGB Case Fan1,019$39Compare
Zephyra FN-6636 Max 140mm PWM ARGB Case Fan1,354$49Compare
Brontix FN-6857 XT 140mm PWM Case Fan (3-Pack)453$19Compare
Brontix FN-9008 Pro 140mm PWM Case Fan691$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4028 Pro 120mm PWM Case Fan”, https://vextor7.com/item/21313154 (accessed 2026-10-20).