Hardware Spec Index

Zephyra FN-8645 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN8645-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index553 (Case Fans scale)
Category rank#42,838
Street price$19
Power4 W
Performance per dollar29.11
Released2022

Specifications

BrandZephyra
ModelZephyra FN-8645 Ultra
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-4798 Pro 120mm PWM ARGB Case Fan1,307$49Compare
Teralux FN-9159 SE 120mm PWM Case Fan (3-Pack)267$9Compare
Zephyra FN-7267 Core 120mm PWM Case Fan740$19Compare
Zephyra FN-2932 Pro 140mm PWM ARGB Case Fan806$29Compare
Teralux FN-8238 Core 140mm PWM ARGB Case Fan1,303$49Compare
Caldera FN-9481 Plus 120mm PWM Case Fan790$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-8645 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/4734145 (accessed 2026-10-26).