HP Z420 Workstation - 8 Core E5 2670 up to 3.3GHz CPU (20 MB Cache) - 48GB RAM- 1TB SSD + 4TB HD with 3 YR WNTY- Windows 7 Pro Upgradable to Windows 10- USB 3.0 This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbisher to look and work like new,with limited to no signs of wear.The refurbishing process includes functionality testing,inspection,reconditioning and repackaging.The product ships with all relevant accessories,a minimum 90-day warranty,and may arrive in a generic white or brown box.Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon. 1TB Solid State Drive + 4TB Hard Drive with 3 Year Warranty from Manufacturer. What's in The Box? HP Z420 Workstation with Power Cable, New USB Keyboard & Mouse. 14-in-1 Media Card Reader; 6. Front I/O: 1 USB 2.0, 2 USB 3.0, 1 Headphone, 1 Microphone; 600 Watt Power Supply; 6 Internal USB 2.0 Ports; 6 SATA Ports. Software Installed? New Installation of Windows 7 Pro 64-bit.