Hardware Spec Index

Zephyra FN-3643 Core 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3643-CORE · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index991 (Case Fans scale)
Category rank#44,276
Street price$29
Power3 W
Performance per dollar34.17
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3643 Core
Size140 × 140 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-6463 Ultra 140mm PWM Case Fan293$9Compare
Caldera FN-5072 Max 140mm PWM ARGB Case Fan (3-Pack)1,016$29Compare
Teralux FN-1034 Plus 120mm PWM ARGB Case Fan (3-Pack)1,192$39Compare
Corvane FN-4569 Prime 120mm PWM ARGB Case Fan1,309$49Compare
Brontix FN-6089 Core 140mm PWM Case Fan646$19Compare
Teralux FN-6720 Edge 140mm PWM Case Fan284$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3643 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/53312703 (accessed 2026-10-21).