Hardware Spec Index

Corvane FN-8657 Ultra 140mm PWM Case Fan

Case Fans · Corvane · SKU FN8657-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index304 (Case Fans scale)
Category rank#36,517
Street price$9
Power2 W
Performance per dollar33.78
Released2025

Specifications

BrandCorvane
ModelCorvane FN-8657 Ultra
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-2468 XT 120mm PWM Case Fan774$19Compare
Brontix FN-1738 Prime 120mm PWM Case Fan (3-Pack)436$19Compare
Brontix FN-6017 Plus 140mm PWM Case Fan549$19Compare
Teralux FN-5678 Core 120mm PWM Case Fan (3-Pack)518$19Compare
Teralux FN-1793 Ultra 120mm PWM ARGB Case Fan1,203$49Compare
Corvane FN-6263 Ti 120mm PWM Case Fan408$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Corvane FN-8657 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/13636386 (accessed 2026-10-19).