Hardware Spec Index

Zephyra FN-4538 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4538-PRO · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index724 (Case Fans scale)
Category rank#34,256
Street price$19
Power3 W
Performance per dollar38.11
Released2026

Specifications

BrandZephyra
ModelZephyra FN-4538 Pro
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-7493 Ultra 140mm PWM ARGB Case Fan1,400$49Compare
Teralux FN-7502 Prime 120mm PWM Case Fan719$19Compare
Teralux FN-4650 Core 120mm PWM Case Fan551$19Compare
Teralux FN-4705 Pro 120mm PWM ARGB Case Fan (3-Pack)895$29Compare
Corvane FN-6178 Ultra 120mm PWM Case Fan721$19Compare
Brontix FN-5502 Plus 120mm PWM Case Fan (3-Pack)710$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4538 Pro 140mm PWM Case Fan”, https://vextor7.com/item/91666336 (accessed 2026-10-23).