Hardware Spec Index

Caldera FN-6555 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6555-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index203 (Case Fans scale)
Category rank#40,591
Street price$9
Power4 W
Performance per dollar22.56
Released2024

Specifications

BrandCaldera
ModelCaldera FN-6555 Ultra
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-8439 Core 140mm PWM Case Fan (3-Pack)405$9Compare
Corvane FN-5883 SE 120mm PWM ARGB Case Fan1,262$39Compare
Brontix FN-8861 Pro 140mm PWM Case Fan (3-Pack)540$19Compare
Zephyra FN-7815 SE 120mm PWM ARGB Case Fan1,321$39Compare
Zephyra FN-1986 Pro 120mm PWM ARGB Case Fan (3-Pack)1,285$49Compare
Teralux FN-7477 XT 140mm PWM Case Fan226$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6555 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/19203348 (accessed 2026-10-22).