Hardware Spec Index

Zephyra FN-2121 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN2121-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index859 (Case Fans scale)
Category rank#18,114
Street price$29
Power3 W
Performance per dollar29.62
Released2019

Specifications

BrandZephyra
ModelZephyra FN-2121 Ultra
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-1142 Prime 120mm PWM ARGB Case Fan1,071$39Compare
Zephyra FN-6234 Plus 140mm PWM ARGB Case Fan (3-Pack)1,278$39Compare
Teralux FN-6817 Ultra 140mm PWM ARGB Case Fan1,035$39Compare
Zephyra FN-5663 SE 120mm PWM ARGB Case Fan1,224$49Compare
Caldera FN-2837 Edge 140mm PWM Case Fan358$9Compare
Teralux FN-1181 SE 120mm PWM ARGB Case Fan1,307$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-2121 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3553592 (accessed 2026-10-21).