Hardware Spec Index

Zephyra FN-3937 XT 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3937-XT · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index298 (Case Fans scale)
Category rank#23,886
Street price$9
Power4 W
Performance per dollar33.11
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3937 XT
Size120 × 120 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-9570 Ti 140mm PWM Case Fan618$19Compare
Zephyra FN-5051 Plus 120mm PWM Case Fan535$19Compare
Teralux FN-6018 Core 120mm PWM ARGB Case Fan (3-Pack)1,183$39Compare
Teralux FN-5547 SE 120mm PWM Case Fan721$19Compare
Brontix FN-2429 Ultra 120mm PWM ARGB Case Fan1,236$49Compare
Brontix FN-9567 Max 140mm PWM Case Fan633$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3937 XT 120mm PWM Case Fan”, https://vextor7.com/item/41587964 (accessed 2026-10-26).