Display
Diagonal Screen Size : 18.4″ diagonal
Max Resolution : 1920 x 1080
Technology : High Definition HP Ultra BrightView Infinity Display

Processor (CPU)
Type : Intel® Core^TM i5-430M Dual Core processor
Speed : 2.26GHz with Turbo Boost up to 2.53GHz
FSB :
Cache : 3MB L2

Type : Intel® Core^TM i5-520M Dual Core processor
Speed : 2.40GHz with Turbo Boost up to 2.93GHz
FSB :
Cache : 3MB L2

Type : Intel® Core^TM i7-720QM Quad Core processor
Speed : 1.6GHz with Turbo Boost up to 2.8 GHz
FSB :
Cache : 6MB L3

Type : Intel® Core^TM i7-820QM Quad Core Processor
Speed : 1.73GHz with Turbo Boost up to3.06GHz
FSB :
Cache : 8MB L3

Memory
RAM :
4GB DDR3 System Memory (2 Dimm)
6GB DDR3 System Memory (2 Dimm)
8GB DDR3 System Memory (2 Dimm)
Total Slots : 2
Max : 8GB

Graphics Card
1GB Nvidia GeForce GT 230M

TV Tuner
HP Integrated telecasting Hybrid Tuner (optional)

Storage
FREE Upgrade to 500GB 7200RPM SATA Hard Drive with HP ProtectSmart Hard Drive Protection
320GB 7200RPM SATA Hard Drive with HP ProtectSmart Hard Drive Protection
640GB 7200RPM SATA Dual Hard Drive (320GB x 2) with HP ProtectSmart Hard Drive Protection
1TB 7200RPM SATA Dual Hard Drive (500GB x 2) with HP ProtectSmart Hard Drive Protection
448GB 7200RPM SATA Dual Hard Drive (SSD 128GB + 320GB 7200RPM)
756GB 7200RPM SATA Dual Hard Drive (SSD 256GB + 500GB 7200RPM)

Connectivity
Modem :
Ethernet (LAN): Integrated 10/100/1000 Gig Ethernet LAN(RJ-45 connector)
WLAN : Intel Wireless-N Card
Bluetooth : Optional

Keyboard
HP Keyboard

Audio System
Altec Lansing biaural speakers