Hardware Spec Index

Zephyra FN-3521 SE 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3521-SE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index924 (Case Fans scale)
Category rank#42,816
Street price$29
Power4 W
Performance per dollar31.86
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3521 SE
Size140 × 140 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-3281 Ti 140mm PWM ARGB Case Fan1,008$39Compare
Brontix FN-1524 Ti 120mm PWM Case Fan (3-Pack)529$19Compare
Corvane FN-5893 Max 120mm PWM ARGB Case Fan (3-Pack)939$29Compare
Corvane FN-8508 Plus 140mm PWM ARGB Case Fan (3-Pack)1,400$49Compare
Zephyra FN-2347 Ultra 120mm PWM ARGB Case Fan1,264$49Compare
Zephyra FN-7529 Core 140mm PWM ARGB Case Fan (3-Pack)1,400$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3521 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/709558 (accessed 2026-10-19).