HP Slimline 455-002il Desktop PC Intel HD Integrated Graphics and 180 W SFF Bronze internal power supply Ultra Slim Fixed SuperMulti DVD Burner Data transfer rates up to 3,600 KB/s (CD read/write) Data transfer rates up to 10,800 KB/s (DVD read/write) OS Operating system FreeDOS 2.0 PROCESSOR Processor Intel® CoreTM i3-4170 with Intel HD Graphics 4400 (3.7 GHz, 3 MB cache, 2 cores) Chipset Intel H81 MEMORY Memory, standard 2 GB DDR3-1600 (1 x 2 GB) STORAGE Hard drive description 1 TB 7200 rpm SATA GRAPHICS Graphics Intel HD graphics 4400 Graphics Integrated OPTICAL DISK DRIVE Optical drive Ultra Slim-tray SuperMulti DVD burner CONNECTIVITY Network interface Integrated 10/100/1000 GbE LAN Expansion slots 1 PCIe x16 Wireless 802.11b/g/n (1x1) and Bluetooth.