Lenovo ThinkPad X1 Tablet, 12" Full-HD+ IPS Touchscreen w/Active Pen, Intel Core m5-6Y57 Dual-Core 1.1GHz, 128GB Solid State Drive, 4GB DDR3, 802.11ac, Bluetooth, Detachable Keyboard, Win10Pro Get reliable performance from the Intel Core m5-6Y57 processor 1.1GHz (Burst up to 2.8GHz) 4MG Cache 4GB 1866MHz LPDDR3 (on-board) memory, with a microSD card slot that supports up to 64GB, 128GB M.2 Solid State Drive Enjoy a 12 Screen with Portable Entertainment with a Stunning Display: Whether for work or leisure, the high resolution 2K (2160 x 1440) display features widescreen IPS technology and an integrated, adjustable kickstand for viewing from any angle. With the integrated speakers and Dolby surround sound technology, the X1 Tablet is perfect for watching videos. ThinkPad Keyboard Perfection: The X1 Tablet features the detachable keyboard with the legendary ThinkPad design. The built-in TrackPoint and trackpad replicates the feel of our award-winning keyboard that's been perfected over more than 20 years. With the detachable keyboard snapped into place, the X1 Tablet is only 1.1 kg / 2.4 lbs. Business Ready: The X1 Tablet is available with robust security features like Touch-Sensor Fingerprint Reader and Discrete Trusted Platform Module (dTPM) for encryption. Remote manageability features are also available, including Intel vPro and Active Management Technology (AMT). Windows 10 Pro. Maximum Memory: 4 GB Comes with a 1 Year Lenovo Warranty Not eligible for AppleCare Warranty upgrades