This 4000 MB/s bandwidth PCI Express x8 adapter ensures easy connectivity and plug-in form-factor for affordable and reliable Ethernet network With the 10GBase-SR technology get up to 10Gbps data transfer rate over the optical fiber cable Supports optical fiber cable to span longer distances and provides data transmission rates par excellence between servers and network components Add your computer to your home or office network with this single port 10gigabit ethernet card conveniently 10Gigabit Ethernet Card is reliable and offers a convenient networking solution