Hardware Spec Index

Teralux FN-7821 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN7821-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index470 (Case Fans scale)
Category rank#4,406
Street price$19
Power3 W
Performance per dollar24.74
Released2021

Specifications

BrandTeralux
ModelTeralux FN-7821 Ultra
Size120 × 120 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-3600 Ti 120mm PWM Case Fan419$19Compare
Brontix FN-8547 SE 120mm PWM ARGB Case Fan839$29Compare
Corvane FN-2908 XT 120mm PWM Case Fan237$9Compare
Corvane FN-8462 Max 120mm PWM ARGB Case Fan (3-Pack)888$29Compare
Brontix FN-7084 Core 140mm PWM Case Fan440$19Compare
Corvane FN-2088 Edge 140mm PWM ARGB Case Fan (3-Pack)874$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-7821 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/54892643 (accessed 2026-10-23).