New product never used, was a backup for a machine that has been replaced. Supports 6th Gen Intel® Core™ i3/i5/i7 processors, and Intel® Pentium® and Celeron® processors for Socket LGA1151 Intel® H110 Chipset 2 x DDR4 memory slots, support up to 32GB - Supports DDR4 2133 MHz 1 x PCIe 3.0 x16 slot 1 x PCIe 3.0 x1 slot 1 x PCI slot 1 x HDMI™ port, supports a maximum resolution of 4096x2160@24Hz, 2560x1600@60Hz - Support for HDMI™ 1.4 version. 1 x VGA port, supports a maximum resolution of 1920x1200@60Hz 4 x SATA 6Gb/s ports 4 x USB 3.1 Gen1 (SuperSpeed USB) ports (2 ports on the back panel, 2 ports available through the internal USB connector)(optional) 6 x USB 2.0 (High-speed USB) ports (2 ports on the back panel, 4 ports available through the internal USB connectors) Realtek® ALC887 Codec 7.1-Channel High Definition Audio 1 x Realtek RTL8111H Gigabit LAN controller 1 x PS/2 keyboard port 1 x PS/2 mouse port 2 x USB 2.0 ports 2 x USB 3.1 Gen1 ports 1 x Serial port 1 x Parallel port 1 x VGA port 1 x HDMI™ port 1 x LAN (RJ45) port 3 x audio jacks