Has written warrantyYes - Warranty TextUbiquiti UniFi Switch USW-16-POE - switch - 16 ports - managed - ra (USW-16-POE)Yes - Warranty URLUbiquiti UniFi Switch USW-16-POE - switch - 16 ports - managed (UBI-USW-16-POE)Yes - Warranty TextUbiquiti EdgeSwitch 8-150W Layer-3 P...