Hardware Spec Index

Caldera FN-6921 Max 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6921-MAX · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index981 (Case Fans scale)
Category rank#36,265
Street price$29
Power4 W
Performance per dollar33.83
Released2019

Specifications

BrandCaldera
ModelCaldera FN-6921 Max
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-8909 Edge 140mm PWM Case Fan (3-Pack)634$19Compare
Teralux FN-3317 Ti 140mm PWM Case Fan710$19Compare
Zephyra FN-6122 Edge 120mm PWM ARGB Case Fan1,028$29Compare
Corvane FN-7380 Edge 120mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-4374 Max 120mm PWM ARGB Case Fan1,048$39Compare
Brontix FN-5125 Core 120mm PWM ARGB Case Fan (3-Pack)1,055$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6921 Max 140mm PWM ARGB Case Fan”, https://vextor7.com/item/10244431 (accessed 2026-10-21).