Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q87 Express Processors: Intel 4th Generation Core i5, i7 Processors Memory Support: 1333-MHz DDR3 SDRAM; (2) DIMM slots enabling up to 16GB, dual channel memory support Speaker: N/A Display: 23" diagonal IPS widescreen LED anti-glare backlit LCD (1920 x 1080). Hard Drive: Up to 1TB hard drive, 160GB SSD (Solid State Drive); up to 256GB self-encrypting solid state drive; 500 GB Self-encrypting Drive, or 1TB solid state hard drive Removable Media: Slim DVD-ROM drive or Slim SuperMulti DVD writer drive Graphics: Integrated Intel HD Graphics 4600 Audio: Realtek ALC 3228 Audio - 16 & 24-bit PCM Communications: Intel I217LM GbE Network Connection (integrated) I/O Ports: 6x USB 3.0, Media Card Reader, Audio, Gigabit Ethernet, Display Port Input Devices: Standard Keyboard, Mouse (USB) Power: N/A Dimensions: 56.0 x 5.0 x 38.9 cm Weight: 7.89 kg