?Please Read Before you purchase ?This laptop is upgraded from a brand new base model. The manufacturer box is opened and resealed to install the parts to achieve the specifications as advertised.one-year warranty for upgraded RAM / SSD from Issaquah Highlands Tech. one-year original warranty for remaining components from Lenovo. 64GB DDR4 Memory, 2TB (1TB + 1TB) PCIe NVMe M.2 SSD 15.6" FHD (1920 x 1080) IPS, anti-glare, 72% NTSC, Dolby Vision, HDR, 500 nits, expandable to 1-4 monitors via HDMI, Thunderbolt or Docking Station. Max resolution of the External Monitors: 4K(3840*2160) 10th Generation Intel Core i9-10885H Processor with vPro (2.40 GHz, up to 5.30 GHz with Turbo Boost, 8 Cores, 16 Threads, 16 MB Cache) Windows 10 Professional 64-bit for Workstation, 2 x USB 3.1 Gen 1 (1 always on), 2 x USB 3.1 Gen 2 Type-C / Intel Thunderbolt 3 (DisplayPort, Data transfer), HDMI 2.0, Mini Gigabit Ethernet Audio combo jack, 4-in-1 media card reader (MMC, SD, SDHC, SDXC) With the latest Intel processing and the all new NVIDIA Quadro T2000 GPU, this laptop will keep the applications you need for work running lag-free. With upgradable up to 4TB of storage space available, large files aren’t a problem. Additionally, this laptop includes ISV certification for ArcGIS, AutoCAD, Creo, Decision Space, McKesson, Revit, SolidWorks, 3dsMax, and more.