Hardware Spec Index

Zephyra FN-3850 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3850-PRIME · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index485 (Case Fans scale)
Category rank#7,051
Street price$19
Power3 W
Performance per dollar25.53
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3850 Prime
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-9631 SE 140mm PWM ARGB Case Fan1,060$29Compare
Brontix FN-4770 Max 120mm PWM Case Fan451$9Compare
Caldera FN-9671 XT 120mm PWM ARGB Case Fan920$29Compare
Corvane FN-2551 Edge 120mm PWM Case Fan493$19Compare
Caldera FN-6505 Prime 140mm PWM ARGB Case Fan1,314$49Compare
Brontix FN-9366 Max 140mm PWM Case Fan494$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3850 Prime 120mm PWM Case Fan”, https://vextor7.com/item/82883843 (accessed 2026-10-23).