ASUS ZENBOOK UX21E Ultrabook Tech Specifications


ASUS Super Hybrid Engine II for
2-second resume and up to 2 weeks* standby time

  • Incredible 3mm at the front and 9mm at the rear
  • Spun metal and hairline aluminum for incredible beauty
  • ASUS exclusive Super Hybrid Engine II with instant on
    2-second resume, four to five times the standby time, automatic data backup and recovery, and 25% longer battery life!
  • SATA Revision 3.0** solid state drive and USB 3.0 incredible speed of data transfer rates
  • SonicMaster technology co-developed with Bang & Olufsen ICEpower increases audio performance with lifelike surround impact
  • The latest Intel Core processors
*Actual UX31E & UX21E standby time may vary due to specific component performance, connected devices, and environmental differentiation.
**SATA Revision 3.0 speeds quoted are component specification. Actual speeds may vary by configuration and devices used


ProcessorIntel Core™ i7 2677M Processor
Intel Core™ i5 2467M Processor
Intel Core™ i3 2367M Processor
Operating SystemGenuine Windows 7 Professional 64bit
Genuine Windows 7 Home Premium 64bit
Genuine Windows 7 Home Basic 64bit
This version contains all product updates (SP1)
ChipsetIntel QS67 Express Chipset
MemoryDDR3 1333 MHz SDRAM, OnBoard Memory
Display11.6" 16:9 HD (1366x768) LED Backlight
Storage SATA3
NetworkingIntegrated 802.11 b/g/n
Built-in Bluetooth™ V4.0
Interface1 x Headphone-out jack (Audio-in Combo)
1 x USB 3.0 port(s)
1 x USB 2.0 port(s)
1 x micro HDMI
1 x Mini VGA
Battery35 Whrs Polymer Battery
Power AdapterOutput :
19 V DC, 2.37 A, 45 W
Input :
100 -240 V AC, 50/60 Hz universal
DimensionsOnly 3 mm at the front and 9 mm at the rear
29.9 x 19.6 x 0.3 ~1.7 cm (WxDxH)
Weight1.1 kg
Manufacturer Warranty2-year limited International hardware warranty. *different by country
On-line problem resolution through web interface (BIOS, Driver update)
OS (Windows 7 ) install/uninstall consultation
Bundled software install/uninstall consultation
ASUS software supporting
Note*1:The installed SSD has 128GB of physical storage, but due to operating system and back up reserve some of it may not be accessible or visible.