Hardware Spec Index

Caldera FN-4121 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4121-XT · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index697 (Case Fans scale)
Category rank#10,012
Street price$19
Power3 W
Performance per dollar36.68
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4121 XT
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4121 XT 140mm PWM Case Fan”, https://vextor7.com/item/32935472 (accessed 2026-10-25).