Hardware Spec Index

Zephyra FN-3731 XT 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3731-XT · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index327 (Case Fans scale)
Category rank#7,237
Street price$9
Power3 W
Performance per dollar36.33
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3731 XT
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 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
Zephyra FN-9733 Prime 120mm PWM Case Fan546$19Compare
Teralux FN-4588 Plus 140mm PWM ARGB Case Fan984$39Compare
Zephyra FN-7154 SE 120mm PWM Case Fan590$19Compare
Corvane FN-6837 Pro 120mm PWM ARGB Case Fan822$29Compare
Teralux FN-7646 SE 120mm PWM Case Fan543$19Compare
Brontix FN-6477 Max 120mm PWM Case Fan491$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3731 XT 140mm PWM Case Fan”, https://vextor7.com/item/1340686 (accessed 2026-10-21).