Durable,Maintenance easy,Standard into global configuration make later to solve problems and replacement part easier19" screen, 500GB hard drive capacity, 1GB memory capacity,Intel ® KuRui ™ 2 modern dual-core CPU,Mouse Type: Optical Mouse• Button: 3• Idler wheel numbers: one • Interface Type: USB Interface• Maximum resolution: 800 DPI USB keyboardTable fixed bracket Chipset:Intel ® Q45 high-speed chipset 8 the external USB 2.0 port and 1 internal USB 2.0 port Packing:standard carton, 250sets/20'FT, 520sets/40'HQGiving speakers