Model            ASUS ZENBOOK™ UX21 (Ultrabook™)                            ASUS ZENBOOK™ UX31 (Ultrabook™)
      CPU                      Intel® Core™ i7 2677M Processor                            Intel® Core™ i7 2677M Processor
                               Intel® Core™ i5 2467M Processor                            Intel® Core™ i5 2557M Processor
                               Intel® Core™ i3 2367M Processor

Operating System           Genuine Windows® 7 Professional 64bit                      Genuine Windows® 7 Professional 64bit
                         Genuine Windows® 7 Home Premium 64 bit                     Genuine Windows® 7 Home Premium 64 bit
                           Genuine Windows® 7 Home Basic 64 bit                       Genuine Windows® 7 Home Basic 64 bit
                        This version contains all product updates (SP1)            This version contains all product updates (SP1)

    Z‐height                  3mm at the front; 9mm at the rear                          3mm at the front; 9mm at the rear

 Main Memory                 DDR3 1333MHz 2GB/4GB (on board)                               DDR3 1333MHz 4GB (on board)

     Screen                               11.6 (16:9)                                                13.3 (16:9)

   Backlight/                       450 nits HD 1366x768                                       450 nits HD+ 1600X900
   Resolution 
   Instant on                    Always resume in 2 seconds                                 Always resume in 2 seconds

  USB charger+                                 Y                                                          Y

    I/O port 
    I/O    t        6 (USB2.0 / USB3.0 / audio jack / DC jack / microHDMI / 
                    6 (USB2 0 / USB3 0 / audio jack / DC jack / microHDMI /    7 (USB2.0 / USB3.0 / audio jack / DC jack / microHDMI / 
                                                                               7 (USB2 0 / USB3 0 / audio jack / DC jack / microHDMI /
                                           miniVGA)                                          miniVGA / SD card reader)

    USB3.0                                  1 Port                                                     1 Port

SSD Generation                  SATAIII SSD (64G/128G/256G)                                   SATAIII SSD (128G/256G)

       BT                               Bluetooth 4.0                                              Bluetooth 4.0

    Battery                              35W (5+ hrs)                                               50W (7+hrs)

      Mic                          MEMS MIC (Digital MIC)                                     MEMS MIC (Digital MIC)

   Keyboard                             268 Chiclit KB                                             286 Chiclit KB

    Camera                                   0.3M                                                       0.3M

     Audio                 Bang & Olufsen ICEpower® SonicMaster                       Bang & Olufsen ICEpower® SonicMaster
 F i hild PBKAF FBKFJ FDMC 7696
  Fairchild PBKAF FBKFJ FDMC 7696 
 Fairchild PBKAF FDMC 0310AS
 Richtek RT8166B 

4GB DDR3 system memory



 Intel Core i3/i5/i7 mobile processor 


 SATA ADATA XM11 SSD/SanDisk SSD
  SATA, ADATA XM11 SSD/SanDisk SSD

 Intel QS67 PCH
 Texas Instruments BQ24740;
  Multi‐Cell Synchronous Switch‐mode Battery Charger 
 minicard slot; 
  AzureWave AW‐NB086 WiFi/BT combo module
4GB DDR3 system memory




 ITE IT8572G embedded controller
  ITE IT8572G embedded controller


 Fresco Logic FL1000‐2Q0; USB 3.0 controller 

 Richtek RT8206A 
Manufacturer           Device                          Function
▼Processor

               Intel   Intel Core i3/i5/i7 processor
                                           p           Processor + Intel HD 3000 graphics
                                                                                 g p
▼Memory

              Elpida   Elpida J4216BASE-DJ-F           4GB, onboard DDR3 system memory
▼Chipset

               Intel   Intel QS67                      PCH
▼Radio Frequency

         AzureWave     AzureWave AW-NB086              Atheros AR9004WB-1NG
                                                       ‧Atheros AR9485 and AR3012
                                                       ‧802 11n WiFi + Bluetooth 4 0
                                                       ‧802.11n                  4.0
▼EC

                ITE    IT8572G                         System power management controller
▼Audio

             Realtek   ALC269                          HD Audio codec
Manufacturer             Device                           Function
▼Storage

   ADATA/SanDisk
        /                XM11 SSD(128GB)/SanDisk(256GB)
                                 (     )        (     )   SandForce SF-2281VB1 SATA SSD controller
▼User Inputs

                 ELAN    33200V-3600 1139 BW118V1         Touchpad controller
▼Others
                         FDMC7696
           Fairchild
                         FDMC0310AS
       Fresco Logic      FL1000                           USB 3.0 host controller
Texas Instruments        BQ24740                          Multi-Cell Synchronous Switch-mode Battery Charger
                                                                      y                            y     g
           Macronix      MX25L3206E                       32M-BIT CMOS serial flash
                         RT8166B
               Richtek
                         RT8206A                          High-Efficiency, Main Power Supply Controller for Notebook Computers

 Linear Technology       3857

Inside ASUS ZENBOOK

  • 2.
    Model  ASUS ZENBOOK™ UX21 (Ultrabook™) ASUS ZENBOOK™ UX31 (Ultrabook™) CPU  Intel® Core™ i7 2677M Processor Intel® Core™ i7 2677M Processor Intel® Core™ i5 2467M Processor Intel® Core™ i5 2557M Processor Intel® Core™ i3 2367M Processor Operating System  Genuine Windows® 7 Professional 64bit Genuine Windows® 7 Professional 64bit Genuine Windows® 7 Home Premium 64 bit Genuine Windows® 7 Home Premium 64 bit Genuine Windows® 7 Home Basic 64 bit Genuine Windows® 7 Home Basic 64 bit This version contains all product updates (SP1) This version contains all product updates (SP1) Z‐height  3mm at the front; 9mm at the rear  3mm at the front; 9mm at the rear Main Memory  DDR3 1333MHz 2GB/4GB (on board) DDR3 1333MHz 4GB (on board) Screen  11.6 (16:9) 13.3 (16:9) Backlight/  450 nits HD 1366x768 450 nits HD+ 1600X900 Resolution  Instant on  Always resume in 2 seconds Always resume in 2 seconds USB charger+  Y Y I/O port  I/O t 6 (USB2.0 / USB3.0 / audio jack / DC jack / microHDMI /  6 (USB2 0 / USB3 0 / audio jack / DC jack / microHDMI / 7 (USB2.0 / USB3.0 / audio jack / DC jack / microHDMI /  7 (USB2 0 / USB3 0 / audio jack / DC jack / microHDMI / miniVGA) miniVGA / SD card reader) USB3.0  1 Port 1 Port SSD Generation  SATAIII SSD (64G/128G/256G) SATAIII SSD (128G/256G) BT  Bluetooth 4.0 Bluetooth 4.0 Battery  35W (5+ hrs) 50W (7+hrs) Mic  MEMS MIC (Digital MIC) MEMS MIC (Digital MIC) Keyboard  268 Chiclit KB 286 Chiclit KB Camera  0.3M 0.3M Audio  Bang & Olufsen ICEpower® SonicMaster Bang & Olufsen ICEpower® SonicMaster
  • 3.
     F ihild PBKAF FBKFJ FDMC 7696 Fairchild PBKAF FBKFJ FDMC 7696   Fairchild PBKAF FDMC 0310AS  Richtek RT8166B  4GB DDR3 system memory  Intel Core i3/i5/i7 mobile processor   SATA ADATA XM11 SSD/SanDisk SSD SATA, ADATA XM11 SSD/SanDisk SSD  Intel QS67 PCH  Texas Instruments BQ24740; Multi‐Cell Synchronous Switch‐mode Battery Charger   minicard slot;  AzureWave AW‐NB086 WiFi/BT combo module
  • 4.
    4GB DDR3 system memory  ITE IT8572Gembedded controller ITE IT8572G embedded controller  Fresco Logic FL1000‐2Q0; USB 3.0 controller   Richtek RT8206A 
  • 6.
    Manufacturer Device Function ▼Processor Intel Intel Core i3/i5/i7 processor p Processor + Intel HD 3000 graphics g p ▼Memory Elpida Elpida J4216BASE-DJ-F 4GB, onboard DDR3 system memory ▼Chipset Intel Intel QS67 PCH ▼Radio Frequency AzureWave AzureWave AW-NB086 Atheros AR9004WB-1NG ‧Atheros AR9485 and AR3012 ‧802 11n WiFi + Bluetooth 4 0 ‧802.11n 4.0 ▼EC ITE IT8572G System power management controller ▼Audio Realtek ALC269 HD Audio codec
  • 7.
    Manufacturer Device Function ▼Storage ADATA/SanDisk / XM11 SSD(128GB)/SanDisk(256GB) ( ) ( ) SandForce SF-2281VB1 SATA SSD controller ▼User Inputs ELAN 33200V-3600 1139 BW118V1 Touchpad controller ▼Others FDMC7696 Fairchild FDMC0310AS Fresco Logic FL1000 USB 3.0 host controller Texas Instruments BQ24740 Multi-Cell Synchronous Switch-mode Battery Charger y y g Macronix MX25L3206E 32M-BIT CMOS serial flash RT8166B Richtek RT8206A High-Efficiency, Main Power Supply Controller for Notebook Computers Linear Technology 3857