Hardware Spec Index

Teralux FN-2891 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN2891-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index562 (Case Fans scale)
Category rank#30,877
Street price$19
Power4 W
Performance per dollar29.58
Released2024

Specifications

BrandTeralux
ModelTeralux FN-2891 Ultra
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-7027 XT 120mm PWM ARGB Case Fan829$29Compare
Brontix FN-1005 Max 120mm PWM Case Fan305$9Compare
Brontix FN-7822 Ultra 120mm PWM ARGB Case Fan1,267$49Compare
Caldera FN-5952 Plus 140mm PWM ARGB Case Fan (3-Pack)1,106$39Compare
Zephyra FN-8397 Ultra 120mm PWM Case Fan (3-Pack)573$19Compare
Teralux FN-5110 Edge 120mm PWM ARGB Case Fan (3-Pack)984$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-2891 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/21751358 (accessed 2026-10-25).