Hardware Spec Index

Zephyra FN-7581 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN7581-SE · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index434 (Case Fans scale)
Category rank#6,268
Street price$19
Power4 W
Performance per dollar22.84
Released2023

Specifications

BrandZephyra
ModelZephyra FN-7581 SE
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-6594 Ultra 120mm PWM Case Fan (3-Pack)398$19Compare
Teralux FN-4863 XT 120mm PWM Case Fan524$19Compare
Brontix FN-9521 SE 140mm PWM Case Fan286$9Compare
Caldera FN-5983 Ti 140mm PWM Case Fan520$19Compare
Teralux FN-1551 Prime 140mm PWM ARGB Case Fan (3-Pack)1,358$49Compare
Caldera FN-7444 Max 120mm PWM Case Fan669$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-7581 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4452354 (accessed 2026-10-21).