Hardware Spec Index

Teralux FN-8921 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN8921-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index306 (Case Fans scale)
Category rank#29,782
Street price$9
Power3 W
Performance per dollar34.00
Released2025

Specifications

BrandTeralux
ModelTeralux FN-8921 Ultra
Size120 × 120 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-2617 Plus 120mm PWM ARGB Case Fan1,290$49Compare
Corvane FN-3849 Max 140mm PWM Case Fan762$19Compare
Teralux FN-7520 Core 120mm PWM ARGB Case Fan (3-Pack)1,157$39Compare
Teralux FN-7494 XT 120mm PWM ARGB Case Fan1,137$39Compare
Corvane FN-5574 Ultra 120mm PWM Case Fan (3-Pack)608$19Compare
Brontix FN-4118 Pro 120mm PWM ARGB Case Fan (3-Pack)853$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-8921 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/3709748 (accessed 2026-10-23).