Hardware Spec Index

Caldera FN-2891 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2891-PRIME · Released 2025 · Updated 2026-10-27

Key facts

Benchmark index770 (Case Fans scale)
Category rank#41,562
Street price$19
Power2 W
Performance per dollar40.53
Released2025

Specifications

BrandCaldera
ModelCaldera FN-2891 Prime
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-7676 SE 120mm PWM ARGB Case Fan1,063$39Compare
Zephyra FN-8013 Core 140mm PWM ARGB Case Fan919$29Compare
Brontix FN-6223 Core 120mm PWM Case Fan566$19Compare
Caldera FN-1387 Pro 140mm PWM Case Fan264$9Compare
Corvane FN-7864 Prime 120mm PWM ARGB Case Fan (3-Pack)874$29Compare
Brontix FN-5318 Ti 120mm PWM ARGB Case Fan1,310$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-2891 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/77793184 (accessed 2026-10-27).