Hardware Spec Index

Caldera FN-6843 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6843-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,387 (Case Fans scale)
Category rank#14,556
Street price$49
Power4 W
Performance per dollar28.31
Released2023

Specifications

BrandCaldera
ModelCaldera FN-6843 Ultra
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
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-9143 Max 140mm PWM ARGB Case Fan981$39Compare
Caldera FN-3917 Pro 120mm PWM ARGB Case Fan801$19Compare
Caldera FN-7732 Pro 120mm PWM Case Fan550$19Compare
Brontix FN-9606 Plus 120mm PWM ARGB Case Fan1,035$39Compare
Brontix FN-4247 XT 120mm PWM ARGB Case Fan (3-Pack)855$19Compare
Zephyra FN-1309 Ultra 120mm PWM ARGB Case Fan1,002$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6843 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/6319720 (accessed 2026-10-20).