Memory Type: DDR3 Graphic Type: Intel GL40 graphics LAN Ports: 10/100/1000 NIC Other ports: External: 8 USB 2.0 (2 front, 4 rear, 2 in secure compartment) 1 serial RS232 2 PS/2 Rear: 4 USB 2.0 1 VGA-in 1 DisplayPort 2 PS/2 1 RJ-45 1 serial Power Characteristics: Worldwide auto-sensing 100-240 VAC, 50-60 Hz energy-saving automatic power-down, surge-tolerant, Energy Star 2.0 compliant 65-watt power supply Dimensions: 1.73" x 8.74" x 10.39" Weight: 3.48 lbs. Features: Atheros 802.11 a/b/g/n Wi-Fi adapter