Brand new and unopened. Since I won't be using it, I'm selling it. Windows 7 Professional with Service Pack 1 64-bit (downgrade from Windows 8 Pro 64-bit license) Tertiary cache memory: 3 MB Two DDR3L SO-DIMMs Factory configuration: 4 GB Maximum installable capacity: 8 GB*4 Intel HD Graphics 4400 15.5-inch widescreen (16:9), resolution: WXGA 1366 x 768 HDMI connection (maximum resolution): 1920 x 1080 HDD: Approx. 500 GB (500 GB x 1) (Serial ATA, 5400 rpm) DVD Super Multi Drive DVD: approx. 8x speed, CD: approx. 24x speed Network (LAN): 1000BASE-T/100BASE-TX/10BASE-T x 1 HDMI output: 1 x output IEEE 802.11b/g/n compliant, WPA2 compatible, Wi-Fi compatible Bluetooth 4.0 compliant SD memory card slot x 1 Intel High Definition Audio compliant Built-in stereo speakers + subwoofer Built-in mono microphone "Exmor R for PC" CMOS sensor HD webcam (effective pixel count: 920,000 pixels) Japanese layout (key pitch approx. 19 mm, key stroke approx. 1.5 mm) Touchpad (gesture function supported) AC adapter, rechargeable battery pack, VGA adapter