HP Touchsmart 520-1047 All-in-one PC Intel Core i5-2400S 2.5GHz

Processor & Memory:Intel® Core™ i5-2400S Quad-core Processor 2.5GHz
6MB Shared Cache
6GB PC3-10600 DDR3 SDRAM memory (1x2GB and 1x4GB)
Drives:1.5TB (Terabyte) 5400RPM Serial ATA hard drive
Slot-Load SuperMulti DVD Burner
Operating System:Microsoft® Windows 7 Home Premium (64-bit)
Graphics & Video:Touch Enabled 23" Diagonal Widescreen HD LED Display (1920 x 1080)
Intel® HD Graphics
Communications:Wireless LAN 802.11b/g/n featuring Single-band (2.4Ghz) 2x2 MIMO technology
Onboard 10/100/1000Mbps Gigabit Ethernet Support
Integrated HD webcam and built-in microphone
Audio:Integrated Beats™ Audio Studio Quality Sound
Keyboard & Mouse:HP Wireless Keyboard
HP Wireless Optical Mouse
Expandability (Total Slots):Total Memory Slots: 2 SoDIMM
1 MXM Graphics Module PCI Express slot (available)
2 PCI-E x1 mini socket slots (one available)
I/O Ports & Slots:7 x USB 3.0 Ports (Front) (2x3.0 left side, 4x2.0 rear, 1x2.0 back bottom wireless dongle) (6 available)
1 x Headphone
1 x Mic
1 x 6-in-1 Media Card Reader
Additional Information:Dimensions: 8.54” W x 22.85" D x 18.01" H
2 Year Limited Warranty
ENERGY STAR® Qualified