Hardware Spec Index

Zephyra FN-3643 XT 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3643-XT · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index770 (Case Fans scale)
Category rank#44,046
Street price$29
Power4 W
Performance per dollar26.55
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3643 XT
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-9211 Prime 140mm PWM ARGB Case Fan1,252$49Compare
Caldera FN-9451 Max 120mm PWM ARGB Case Fan1,163$39Compare
Zephyra FN-1992 Edge 120mm PWM ARGB Case Fan973$39Compare
Corvane FN-3995 SE 120mm PWM ARGB Case Fan1,142$39Compare
Zephyra FN-5185 Ti 120mm PWM ARGB Case Fan1,173$39Compare
Caldera FN-5471 XT 120mm PWM ARGB Case Fan1,378$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3643 XT 120mm PWM Case Fan”, https://vextor7.com/item/32320903 (accessed 2026-10-23).