Hardware Spec Index

Zephyra FN-4165 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4165-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index371 (Case Fans scale)
Category rank#12,468
Street price$9
Power4 W
Performance per dollar41.22
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4165 Prime
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-4950 SE 140mm PWM Case Fan (3-Pack)565$19Compare
Brontix FN-2992 Max 120mm PWM ARGB Case Fan1,301$49Compare
Caldera FN-6237 Ti 120mm PWM Case Fan250$9Compare
Brontix FN-6295 SE 140mm PWM ARGB Case Fan1,271$39Compare
Caldera FN-5019 Ti 140mm PWM ARGB Case Fan (3-Pack)1,037$29Compare
Brontix FN-4941 Max 140mm PWM ARGB Case Fan1,163$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4165 Prime 140mm PWM Case Fan”, https://vextor7.com/item/89173900 (accessed 2026-10-19).