ASUS ZENBOOK

UX21E-DH52
Intel Core i5-2467M
11.6-inch display (1,366×768 pixels)
4GB DDR3 RAM
128GB SSD

UX21E-DH71
Intel Core i7-2677M
11.6-inch display (1,366×768 pixels)
4GB DDR3 RAM
128GB SSD

UX31E-DH52
Intel Core i5-2557M
13.3-inch display (1,600×900 pixels)
4GB DDR3 RAM
128GB SSD

UX31E-DH53
Intel Core i5-2557M
13.3-inch display (1,600×900 pixels)
4GB DDR3 RAM
256GB SSD

UX31E-DH72
Intel Core i7-2677M
13.3-inch display (1,600×900 pixels)
4GB DDR3 RAM
256GB SSD

KEY SPEC FOR UX31 :
Product type Ultraportable
CPU manufacturer Intel
CPU type Intel Core i7-2677M
OS family Microsoft Windows
Operating system Windows 7 Home Premium 64bit
Available colours Silver
Screen size 13.3 in.
Weight 1300 g
Estimated battery life 5 hours
Size (WxHxD) 325x17x224 mm