Hardware Spec Index

Caldera FN-2121 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2121-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index843 (Case Fans scale)
Category rank#15,788
Street price$19
Power4 W
Performance per dollar44.37
Released2026

Specifications

BrandCaldera
ModelCaldera FN-2121 Ultra
Size120 × 120 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise22 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
Corvane FN-9785 Edge 140mm PWM Case Fan289$9Compare
Zephyra FN-6333 SE 120mm PWM ARGB Case Fan (3-Pack)1,217$39Compare
Teralux FN-4029 Prime 120mm PWM ARGB Case Fan (3-Pack)1,026$39Compare
Corvane FN-1418 XT 120mm PWM Case Fan292$9Compare
Corvane FN-4490 Edge 120mm PWM Case Fan219$9Compare
Zephyra FN-5600 Ti 120mm PWM ARGB Case Fan (3-Pack)1,216$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-2121 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/74898172 (accessed 2026-10-22).