Hardware Spec Index

Caldera FN-4646 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4646-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index811 (Case Fans scale)
Category rank#11,314
Street price$29
Power3 W
Performance per dollar27.97
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4646 Ultra
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-8283 Max 120mm PWM ARGB Case Fan894$29Compare
Teralux FN-6250 XT 140mm PWM ARGB Case Fan1,005$29Compare
Teralux FN-3310 Ti 120mm PWM ARGB Case Fan936$29Compare
Caldera FN-4626 SE 120mm PWM ARGB Case Fan1,384$49Compare
Brontix FN-2632 XT 120mm PWM Case Fan (3-Pack)296$9Compare
Brontix FN-3461 Pro 140mm PWM ARGB Case Fan806$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4646 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8079020 (accessed 2026-10-22).