Hardware Spec Index

Caldera FN-4857 XT 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4857-XT · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index321 (Case Fans scale)
Category rank#31,962
Street price$9
Power3 W
Performance per dollar35.67
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4857 XT
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4857 XT 120mm PWM Case Fan”, https://vextor7.com/item/7272935 (accessed 2026-10-25).