We sells computers with upgraded configurations. If the computer has modifications (listed above), then the manufacturer box is opened for it to be tested and inspected and to install the upgrades to achieve the specifications as advertised. If no modifications are listed, the item is unopened and untested. Defects & blemishes are significantly reduced by our in depth inspection & testing. Operating system: Windows 10 Home Processor: AMD Ryzen 3 3250U, Dual-Core Processor speed: 2.6 GHz base clock, up to 3.5 GHz max boost clock Processor cache: 1 MB L2 cache Memory: 8GB DDR4 SDRAM Video graphics: AMD Radeon Graphics Internal storage: 1 TB 5400 rpm SATA HDD + 128 GB SATA 3 M.2 SSD Camera: HP TrueVision HD Camera with integrated dual array digital microphones Display: 15.6-inch diagonal HD, BrightView, micro-edge, WLED-backlit, 220 nits, 45percent NTSC (1366 x 768) Screen to body ratio: 81percent Network card: Integrated 101001000 GbE LAN Wireless connectivity: Realtek RTL8821CE 802.11bgnac(1x1) and Bluetooth 4.2 combo, MU-MIMO supported Digital media: Multi-format SD media card reader Sound: HD Audio with stereo speakers Integrated keyboard: Full-size, island-style, natural silver keyboard with numeric keypad, Touchpad with multi-touch gesture support External notebook ports: 1 SuperSpeed USB Type-C 5Gbps signaling rate 2 SuperSpeed USB Type-A 5Gbps signaling rate 1 RJ-45 1 Headphonemicrophone combo 1 AC Smart pin 1 HDMI 1.4b Dimensions: 14.11 in x 9.53 in x 0.78 in Weight: 3.99 lb Power: 3-cell, 41 Wh Li-ion battery, 45 W Smart AC power adapter