Hardware Spec Index

Zephyra FN-3651 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3651-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index1,315 (Case Fans scale)
Category rank#46,903
Street price$49
Power3 W
Performance per dollar26.84
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3651 Ultra
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-3231 Plus 120mm PWM ARGB Case Fan871$29Compare
Zephyra FN-7364 Pro 120mm PWM ARGB Case Fan (3-Pack)1,297$39Compare
Caldera FN-8952 Max 140mm PWM ARGB Case Fan950$29Compare
Zephyra FN-3485 Edge 120mm PWM Case Fan215$9Compare
Brontix FN-2517 Edge 120mm PWM ARGB Case Fan865$29Compare
Zephyra FN-1551 SE 120mm PWM ARGB Case Fan1,128$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3651 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7575562 (accessed 2026-10-26).