HP Slimline 290-a0007il Desktop (Intel Celeron J4005/4GB/1 TB HDD/DVD Writer/DOS) Processor   Celeron J4005 (Gemini Lake) •CPU speed: 2.0 GHz •CPU cores: 2 •CPU Cache: 4 MB  Memory   4 GB  •Amount: 4 GB •Speed: PC4-19200 MB/s •Type: DDR4-2400 Video graphics   Integrated graphics  •Integrated Intel UHD Graphics Sound/Audio   Integrated audio  •Audio Codec: Realtek ALC3601-CG •Audio jack presence detection Networking   Wireless LAN 802.11a/b/g/n/ac (1x1) and Bluetooth 4.2 M.2 LAN: 1000BASE-T  Hard drives   1 TB  •Size: 1 TB •Interface: SATA  •Rotational Speed: 7200 RPM  CD/DVD disc drive   DVD Writer  Memory card reader  3-in-1 card reader  Figure : Memory card reader  Supports the following cards:  •Secure Digital (SD)  •Secure Digital High Capacity (SDHC)  •SDXC Computer case  Chassis  •Height: 27.00 cm (10.63 in)  •Width: 9.50 cm (3.74 in)  •Depth: 29.60 cm (11.64 in)  •Weight 3.00 kg (6.55 lb) - without packaging Power supply   External 65 W (100V-240V) I/O ports   Front I/O ports Figure : Evans front I/O panel  1.Power button 2.Headset jack 3.Memory card reader 4.USB 3.1: 2 Back I/O ports  Figure : Evans back I/O panel  1.Audio jacks 2.DC Power input 3.HDMI out 4.VGA 5.Serial port 6.USB 2.0: 2 7.LAN (Ethernet)  8.USB 3.1: 2  Keyboard, mouse and input devices   USB keyboard  USB optical mouse   Software   Operating System: FreeDOS 1.2