Hardware Spec Index

Caldera FN-5491 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5491-PLUS · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index390 (Case Fans scale)
Category rank#45,336
Street price$9
Power3 W
Performance per dollar43.33
Released2026

Specifications

BrandCaldera
ModelCaldera FN-5491 Plus
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-4539 Ultra 120mm PWM ARGB Case Fan1,096$39Compare
Brontix FN-1083 Ti 120mm PWM ARGB Case Fan (3-Pack)1,333$39Compare
Brontix FN-4759 Core 140mm PWM Case Fan368$19Compare
Caldera FN-4366 Pro 120mm PWM Case Fan (3-Pack)230$9Compare
Corvane FN-1437 Prime 120mm PWM Case Fan270$9Compare
Brontix FN-1779 Ti 140mm PWM ARGB Case Fan (3-Pack)800$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-5491 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/20070171 (accessed 2026-10-22).