Brand Name: Microsoft Model No: Surface Pro 4 Processor: 6th Gen Intel® Core™ i7 Processor Memory: 16 GB, Hard Drive: 512 GB SSD Display: 12.3" Pixel Sense Display Graphics Coprocessor: Intel HD Graphi Brand Microsoft Colour Silver Screen Size 12.3" Resolution 2736 X 1824 (267 PPI) Item model number Surface Pro 4 Processor Brand Intel Processor Type 6th Gen Intel® Core™ i7 Processor RAM Size 16GB Memory Technology DDR4 SDRAM Hard Drive Size 512GB SSD Hard Drive Interface Serial ATA Graphics Coprocessor Intel HD Graphics 520 Number of Audio-out Ports 1 Mini Display Port 1 USB 3.0 Port 1 Cover Port 1 Audio & Speakers Stereo Speakers with Dolby Audio Premium Optical Drive Type NO SD Card Reader Yes Connectivity 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible Battery Up to 9 hours of video playback Operating System Windows 10 Pro Brand Microsoft SKU MI672EL06TOZGNAFAMZ-212222 Display Size 12.3 Processor Type Intel i7 System Memory 16 Model Surface Pro 4 Hard Disk 512GB