Hardware Spec Index

Caldera FN-4991 Plus 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4991-PLUS · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index688 (Case Fans scale)
Category rank#42,680
Street price$19
Power3 W
Performance per dollar36.21
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4991 Plus
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-9918 SE 140mm PWM ARGB Case Fan1,177$49Compare
Corvane FN-9187 Max 120mm PWM Case Fan480$19Compare
Teralux FN-7321 Edge 120mm PWM ARGB Case Fan (3-Pack)951$29Compare
Corvane FN-3845 Max 120mm PWM ARGB Case Fan1,089$29Compare
Zephyra FN-1812 Pro 140mm PWM ARGB Case Fan1,037$39Compare
Caldera FN-1552 Ti 140mm PWM ARGB Case Fan (3-Pack)834$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4991 Plus 120mm PWM Case Fan”, https://vextor7.com/item/319695 (accessed 2026-10-23).