Hardware Spec Index

Teralux FN-6857 Pro 140mm PWM Case Fan

Case Fans · Teralux · SKU FN6857-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index438 (Case Fans scale)
Category rank#35,091
Street price$9
Power4 W
Performance per dollar48.67
Released2021

Specifications

BrandTeralux
ModelTeralux FN-6857 Pro
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-3639 Prime 140mm PWM Case Fan516$19Compare
Teralux FN-7726 Ti 120mm PWM Case Fan (3-Pack)444$19Compare
Caldera FN-2800 Plus 120mm PWM Case Fan589$19Compare
Caldera FN-2857 Edge 140mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-3265 XT 120mm PWM Case Fan769$19Compare
Corvane FN-1863 Max 140mm PWM Case Fan (3-Pack)508$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-6857 Pro 140mm PWM Case Fan”, https://vextor7.com/item/11073136 (accessed 2026-10-19).