【Operating System & Interface Specifications】NO Operating System. 1x HDMI 2.0b and 1x DisplayPort 1.4, both ports support HDCP 2.2 , Supports 2 x 4K displays, 2x front USB 3.2 Gen 1, 2x rear USB 3.2 Gen 2, and 2x rear USB 2.0 , Up to 7.1 multichannel digital audio via HDMI , 3.5mm front stereo jack, 3.5mm front microphone jack.
【AFTER-SALE WARRANTY】Three-years original warranty for Mainsteam Kit/Barebone from Intel. For more information please visit Intel official website.