ASUS UL30VT跟 UL30VT-X1差在哪?最大記憶體可否插到8GB?

幫朋友加買了一台UL30VT，他想插到8GB記憶體，在官網看到記憶體最大支持到4GB?但看國外的UL30VT-X1是可以到8GB的，請問台灣版的UL30VT的最大記憶體可以到8GB嗎?怕買了裝不起來，謝謝!

AMAZON 的ASUS UL30VT-X1

Product Features and Technical Details
Product Features
Intel SU7300 Core 2 Duo Processor 1.3GHz
4GB of DDR3 RAM, 2 slots, 8GB Max
500GB SATA Hard Drive (5400 RPM)
NVidia G210M Graphics with 512MB DDR3 + Intel GMA 4500MHD (Switchable VGA); Windows 7 Home Premium (64 bit) Operating System
13.3-Inch Widescreen HD LED LCD Display; Wi-Fi 802.11 bgn; Bluetooth; 0.3M Webcam
Processor, Memory, and Motherboard

Memory Slots: 2
Hard Drive

Size: 500 GB
Speed: 5400.0 rpm
Cases and Expandability

Size (LWH): 12.9 inches, 9.28 inches, 0.98 inches
Weight: 3.74 pounds
Power

Rated Charge (normal use): 12.0 hours