Hardware Spec Index

Caldera FN-8638 XT 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN8638-XT · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index1,250 (Case Fans scale)
Category rank#44,312
Street price$39
Power3 W
Performance per dollar32.05
Released2026

Specifications

BrandCaldera
ModelCaldera FN-8638 XT
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
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-9881 Max 120mm PWM ARGB Case Fan839$19Compare
Teralux FN-3065 Core 140mm PWM ARGB Case Fan1,155$39Compare
Teralux FN-5966 Ti 140mm PWM ARGB Case Fan1,400$49Compare
Corvane FN-6781 Edge 140mm PWM Case Fan595$19Compare
Brontix FN-3171 Prime 120mm PWM ARGB Case Fan (3-Pack)1,206$49Compare
Corvane FN-2301 Edge 120mm PWM ARGB Case Fan879$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-8638 XT 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4174653 (accessed 2026-10-22).