Hardware Spec Index

Teralux FN-5646 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN5646-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index758 (Case Fans scale)
Category rank#44,531
Street price$29
Power3 W
Performance per dollar26.14
Released2019

Specifications

BrandTeralux
ModelTeralux FN-5646 Ultra
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-4887 Pro 140mm PWM Case Fan (3-Pack)664$19Compare
Caldera FN-6703 Ultra 120mm PWM ARGB Case Fan876$29Compare
Brontix FN-5371 Ultra 120mm PWM Case Fan (3-Pack)489$19Compare
Teralux FN-8804 Pro 120mm PWM ARGB Case Fan (3-Pack)1,240$39Compare
Zephyra FN-1181 SE 140mm PWM Case Fan324$9Compare
Zephyra FN-6255 XT 140mm PWM Case Fan498$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-5646 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/12434726 (accessed 2026-10-23).