3Dconnexion CadMouse Pro Left handed RF Wireless + Bluetooth Optical Mouse in Black 7,200 DPI Purpose___Travel where mystery stalks your every where mystery stalks your every move 4 GHz Configurable TDP up 28 W Memory Memory form factor On board Internal memory 16 GB Internal memory type LPDDR4 SDRAM Maximum internal memory 16 GB Storage Storage media SSD Optical drive type No Number of SSDs installed 1 SSD capacity 256 GB SSD interface PCI Express Total storage capacity 256 GB Total SSDs capacity 256 GB NVMe Yes Video Graphics card Open GL support Yes Graphics Discrete graphics card No On board graphics card family Intel Iris Xe Graphics On board graphics card 4K support Yes On board graphics card Yes On board graphics card model Intel Iris Xe Graphics Discrete graphics card model Not available Graphics card Open GL support Yes On board graphics card 6K support Yes Audio Number of microphones 2 Audio system Dolby Audio Premium Speakers manufacturer OmniSonic Built in microphone Yes Camera Front camera Yes Front camera resolution (numeric) 0 By providing a left side transition to reduce or avoid the chronic Repetitive Strain Injury (RSI) and adding a SpaceMouse on the right Advanced Ergonomics