Hardware Spec Index

Zephyra FN-4590 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4590-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index654 (Case Fans scale)
Category rank#8,060
Street price$19
Power3 W
Performance per dollar34.42
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4590 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-7993 Plus 120mm PWM ARGB Case Fan991$39Compare
Caldera FN-9931 Ultra 120mm PWM Case Fan247$9Compare
Zephyra FN-9188 XT 120mm PWM ARGB Case Fan1,370$49Compare
Brontix FN-8942 Ultra 140mm PWM Case Fan701$19Compare
Zephyra FN-6561 Pro 120mm PWM Case Fan (3-Pack)669$19Compare
Caldera FN-3509 Prime 120mm PWM ARGB Case Fan (3-Pack)1,139$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4590 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/6204858 (accessed 2026-10-21).