Hardware Spec Index

Zephyra FN-4857 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4857-PRO · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,185 (Case Fans scale)
Category rank#40,977
Street price$39
Power3 W
Performance per dollar30.38
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4857 Pro
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise24 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
Corvane FN-5721 Plus 120mm PWM Case Fan231$9Compare
Brontix FN-5053 Pro 120mm PWM ARGB Case Fan1,195$39Compare
Corvane FN-1147 Core 120mm PWM Case Fan (3-Pack)649$19Compare
Caldera FN-7387 Max 140mm PWM ARGB Case Fan (3-Pack)1,278$39Compare
Corvane FN-2247 XT 120mm PWM Case Fan738$19Compare
Zephyra FN-3820 Core 140mm PWM Case Fan (3-Pack)218$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4857 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/20188465 (accessed 2026-10-20).