Hardware Spec Index

Zephyra FN-3503 SE 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3503-SE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index431 (Case Fans scale)
Category rank#35,827
Street price$19
Power4 W
Performance per dollar22.68
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3503 SE
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-7721 Plus 140mm PWM Case Fan489$19Compare
Caldera FN-3612 Ti 120mm PWM ARGB Case Fan1,109$39Compare
Caldera FN-6044 Core 140mm PWM Case Fan543$19Compare
Caldera FN-4559 Ultra 120mm PWM ARGB Case Fan1,262$49Compare
Zephyra FN-6583 Max 120mm PWM Case Fan533$19Compare
Caldera FN-5383 Edge 120mm PWM Case Fan725$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3503 SE 120mm PWM Case Fan”, https://vextor7.com/item/99868633 (accessed 2026-10-20).