Hardware Spec Index

Caldera FN-1851 XT 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN1851-XT · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,082 (Case Fans scale)
Category rank#49,302
Street price$39
Power4 W
Performance per dollar27.74
Released2026

Specifications

BrandCaldera
ModelCaldera FN-1851 XT
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1851 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/512450 (accessed 2026-10-20).