Hardware Spec Index

Zephyra FN-3121 Plus 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3121-PLUS · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index451 (Case Fans scale)
Category rank#19,910
Street price$19
Power4 W
Performance per dollar23.74
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3121 Plus
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-2802 Ultra 120mm PWM ARGB Case Fan1,340$49Compare
Teralux FN-8787 Ultra 120mm PWM ARGB Case Fan (3-Pack)876$29Compare
Teralux FN-9181 Ultra 120mm PWM ARGB Case Fan1,299$49Compare
Caldera FN-6538 SE 120mm PWM ARGB Case Fan1,146$39Compare
Caldera FN-5396 Ultra 120mm PWM ARGB Case Fan (3-Pack)933$29Compare
Brontix FN-6526 SE 140mm PWM Case Fan240$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3121 Plus 120mm PWM Case Fan”, https://vextor7.com/item/89934543 (accessed 2026-10-25).