Windows®. Life without Walls™. ASUS recommends Windows 7.
 
G51Jx-A1 G51J-3D G60Jx G73Jh-A1
Processor & Cache Memory
Intel® Core™processor i7-720QM (1.60 GHz Quad-core) Intel® Core™processor i7-720QM (1.60 GHz Quad-core) Intel® Core™i5 Processor 430M (2.26 GHz)

Intel® Core™ i7 720QM 1.60-2.80GHz 6MB 45W

Operating System
Genuine Windows® 7 Home Premium (64 bit) Genuine Windows® 7 Home Premium (64 bit) Genuine Windows® 7 Home Premium (64 bit)

Genuine Windows® 7 Home Premium (64 bit)

Chipset
Mobile Intel® HM55 Mobile Intel® PM55 Mobile Intel® HM55

Intel® HM55

Main Memory
6G DDR3 1066MHz , 4 SODIMM Sockets, up to 8GB 4G DDR3 1066MHz 4G DDR3 1066MHz

8GB DDR3 1066MHZ (2gbx4) Expandable up to 16GB DDRIII 1333MHz

Display
15.6" Full HD (1920x1080) LED backlight

15.6" Full HD (1366x768) LED backlight 120Hz

16" HD (1366x768) LED-Backlit

17.3" Full HD (1920x1080)

Video Graphics & Memory
NVIDIA® GeForce® GTS 360M 1GB GDDR5 VRAM NVIDIA® GeForce® GTX 260M with 1GB GDDR3 VRAM NVIDIA® GeForce® GTS 360M with 1GB GDDR5 VRAM ATi Mobility Radeon HD 5870 GDDR5 1024MB
Hard Drive
HDD: 500G 7200RPM Dual HDD: 640G 7200RPM 500GB 7,200RPM Dual HDD: 1 Terabyte 7,200RPM (500GB x 2)
Optical Drive
DVD Super Multi DVD Super Multi DVD Super Multi Blu-ray Combo Drive
Card Reader
8 in 1 card reader, SD,MMC,MS,MS-Pro,xD,Smart Media,mini SD w/ adapter,MS-Duo 8 in 1 card reader, SD,MMC,MS,MS-Pro,xD,Smart Media,mini SD w/ adapter,MS-Duo 8 in 1 card reader, SD,MMC,MS,MS-Pro,xD,Smart Media,mini SD w/ adapter,MS-Duo 8 in 1 card reader, SD,MMC,MS,MS-Pro,xD,Smart Media,mini SD w/ adapter,MS-Duo
Video Camera
2.0 Mega Pixel web camera 2.0 Mega Pixel web camera 1.3 Mega Pixel web camera 2.0 Mega Pixel web camera
Fax/Modem/LAN/WLAN

Integrated 802.11b/g/n
Built-in Bluetooth™ V2.1+EDR

Integrated 802.11b/g/n
Built-in Bluetooth™ V2.1+EDR
Integrated 802.11b/g/n

Integrated Intel® 10/100/1000 Ethernet
Built-in Bluetooth™ V2.1+EDR
Intel® WiFi Link 1000 A/B/G/N

Interface
1 x Microphone-in jack
1 x Headphone-out jack
1 x VGA port/Mini D-sub 15-pin for external monitor
4 x USB 2.0 ports
1 x IEEE 1394 port
1 x RJ45 LAN Jack for LAN insert
1 x HDMI
1 x E-SATA
1 x Express Card Slot 34/54
1 x Microphone-in jack
1 x Headphone-out jack 
1 x VGA port/Mini D-sub 15-pin for external monitor
4 x USB 2.0 ports
1 x IEEE 1394 port
1 x RJ45 LAN Jack for LAN insert
1 x HDMI
1 x E-SATA
1 x Express Card Slot 34/54
1 x Microphone-in jack
1 x Headphone-out jack 
1 x VGA port/Mini D-sub 15-pin for external monitor
4 x USB 2.0 ports
1 x IEEE 1394 port
1 x RJ45 LAN Jack for LAN insert
1 x HDMI

1 x Microphone-in jack
1 x Headphone-out jack (S/PDIF)
1 x VGA port/Mini D-sub 15-pin for external monitor
1 x HDMI
4 x USB 2.0 ports
1 x RJ45 LAN Jack for LAN insert

Audio
Built-in speaker and array microphone
Support Dolby® Home Theater
Altec Lansing® co-brand speakers
Built-in speaker and array microphone
Support Dolby® Home Theater
Altec Lansing® co-brand speakers
Built-in speaker and array microphone
Support Dolby® Home Theater
Altec Lansing® co-brand speakers

Digital Array Mic
Altec Lansing® speakers
Creative Audigy HD

Battery
6 cells: 4800 mAh 6 cells: 4800 mAh 6 cells 8 cells
Dimension & Weight
14.6 x 10.3 x 1.3 ~ 1.6 -inches (W x D x H)
7.26 lbs (with 6 cell battery)
14.6 x 10.3 x 1.3 ~ 1.6 -inches (W x D x H) 7.26 lbs (with 6 cell battery)
14.8 x 10.4 x 1.3 ~ 1.6 -inches (W x D x H)
7.5 lbs (with 6 cell battery)

9.6 lbs with battery
16.1" x 11.5" x 1.2-1.75" IN

Security
BIOS Booting / HDD User Password Protection and security lock
Kensington lock hole
BIOS Booting / HDD User Password Protection and security lock
Kensington lock hole
   
Supplied Accessories
ROG gaming backpack and optical Mouse ROG gaming backpack and optical Mouse
NVIDIA 3D Vision Kit: 3D glasses and transmitter
  ROG gaming backpack and optical Mouse
ASUS Utility
ASUS Win flash for BIOS and Driver live Update
ASUS SmartLogon
ASUS Audio Console
ASUS Live Update
Power 4 Phone
ASUS NB Probe +
ASUS Life Frame 3
ASUS Wireless Console
Virtual Camera
ASUS Splendid
ASUS Hotkey
ASUS Express Gate
Fancy Start
AI Recovery
ASUS Win flash for BIOS and Driver live Update
ASUS SmartLogon
ASUS Audio Console
ASUS Live Update
Power 4 Phone
ASUS NB Probe +
ASUS Life Frame 3
ASUS Wireless Console
Virtual Camera
ASUS Splendid
ASUS Hotkey
ASUS Express Gate
Fancy Start
AI Recovery
Asus Win flash for BIOS and Driver live Update
ASUS SmartLogon
ASUS Net 4 switch
ASUS Power4Gear+
Asus Live Update
Power 4 Phone
Asus NB Probe +
ASUS Wireless Console
Asus Data Security Management(ADSM)
Virtual Camera
Asus Screen Saver
Fancy Start
Super Hybrid Engine
AI Recovery

ASUS Win flash for BIOS and Driver live Update
ASUS CopyProtect
ASUS SmartLogon
ASUS Power4Gear eXtreme
ASUS Live Update
Power 4 Phone
ASUS NB Probe +
ASUS Data Security Management(ADSM)
ASUS Direct Console
ASUS Express Gate

Green Compliance
RoHS RoHS    
Warranty
ASUS 360: 2-year Global warranty
ASUS ADW
: 1 year Accidental Damage Warranty
30-Day Zero Bright Dot
2-way FREE shipping
24-7 tech support
ASUS 360: 2-year Global warranty
ASUS ADW
: 1 year Accidental Damage Warranty
30-Day Zero Bright Dot
2-way FREE shipping
24-7 tech support
1 year

ASUS 360: 2-year Global warranty
ASUS ADW
: 1 year Accidental Damage Warranty
30-Day Zero Bright Dot
2-way FREE shipping
24-7 tech support

Disclaimer: Due to the 32-bit operation system's limitation, only 3GB will show up with a 4GB