Hardware Spec Index

Zephyra FN-3858 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3858-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,358 (Case Fans scale)
Category rank#7,688
Street price$49
Power3 W
Performance per dollar27.71
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3858 Prime
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-5720 Plus 140mm PWM ARGB Case Fan949$29Compare
Zephyra FN-9196 Pro 140mm PWM Case Fan380$9Compare
Brontix FN-9828 Pro 120mm PWM Case Fan (3-Pack)665$19Compare
Corvane FN-4368 Prime 120mm PWM ARGB Case Fan (3-Pack)1,347$49Compare
Brontix FN-6310 Ultra 120mm PWM Case Fan (3-Pack)278$9Compare
Caldera FN-2521 Prime 140mm PWM Case Fan591$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3858 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/8819136 (accessed 2026-10-23).