Buffalo’s LGY-PCIE-MG offers easy & cost effective migration to super fast 10 Gb E networking. By constructing a 10 Gb E environment using a desktop personal computer or server with this product added & a 10 Gb E compatible NAS / switch, the transfer time of large capacity data is reduced by about 66%. LGY-PCIE-MG is multi giga compliant, simplified with full backward compatibility of 5/2.5/1 Gb E, also fully compatible with Windows Server 2016/2012R2/2012. With a RJ-45 connector