Hardware Spec Index

Teralux FN-6421 Prime 140mm PWM Case Fan

Case Fans · Teralux · SKU FN6421-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index477 (Case Fans scale)
Category rank#18,106
Street price$19
Power4 W
Performance per dollar25.11
Released2023

Specifications

BrandTeralux
ModelTeralux FN-6421 Prime
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-6421 Prime 140mm PWM Case Fan”, https://vextor7.com/item/2810282 (accessed 2026-10-19).