Model ET2221 INTH ET2221 INKH ET2221 IUTH ET2221 IUKH
CPU Intel® Core™ i5-4570S
Intel® Core™ i5-4430S
Intel® Core™ i3-4130T
Intel® Pentium® G3220T
Intel® Core™ i5-4570S
Intel® Core™ i5-4430S
Intel® Core™ i3-4130T
Intel® Pentium® G3220T
Intel® Core™ i5-4570S
Intel® Core™ i5-4430S
Intel® Core™ i3-4130T
Intel® Pentium® G3220T
Intel® Core™ i5-4570S
Intel® Core™ i5-4430S
Intel® Core™ i3-4130T
Intel® Pentium® G3220T
Operating System Windows 8 Pro
Windows 8
Windows 8 Pro
Windows 8
Windows 8 Pro
Windows 8
Windows 8 Pro
Windows 8
LCD 21.5"/16:9 widescreen
Full HD 1920x1080/ LED-backlit
21.5"/16:9 widescreen
Full HD 1920x1080/ LED-backlit
21.5"/16:9 widescreen
Full HD 1920x1080/ LED-backlit
21.5"/16:9 widescreen
Full HD 1920x1080/ LED-backlit
Touch Screen Multi Touch (10 Fingers Touch) Non-touch Multi Touch (10 Fingers Touch) Non-touch
Graphics Intel® HD Graphics 4600 Intel® HD Graphics 4600 NVIDIA® GeForce GT 720M 1GB NVIDIA® GeForce GT 720M 1GB
Memory Up to 8GB DDR3 (1600MHz) Up to 8GB DDR3 (1600MHz) Up to 8GB DDR3 (1600MHz) Up to 8GB DDR3 (1600MHz)
Wireless Date Network 802.11 b/g/n or
802.11 a/g/n + Bluetooth 4.0
802.11 b/g/n or
802.11 a/g/n + Bluetooth 4.0
802.11 b/g/n or
802.11 a/g/n + Bluetooth 4.0
802.11 b/g/n or
802.11 a/g/n + Bluetooth 4.0
Storage Up to 2TB SATA Hard Drive /
128GB SSD / ASUS Hyper Storage: 1TB HDD + 128GB SSD
Up to 2TB SATA Hard Drive /
128GB SSD / ASUS Hyper Storage: 1TB HDD + 128GB SSD
Up to 2TB SATA Hard Drive /
128GB SSD / ASUS Hyper Storage: 1TB HDD + 128GB SSD
Up to 2TB SATA Hard Drive /
128GB SSD / ASUS Hyper Storage: 1TB HDD + 128GB SSD
TV Tuner Optional Optional Optional Optional
Ports (Q87 Chipset) USB3.0(x5),HDMI-in & out,
RS-232 (COM), VGA-out,
6-in-1 Card Reader
USB3.0(x5),HDMI-in & out,
RS-232 (COM), VGA-out,
6-in-1 Card Reader
USB3.0(x5),HDMI-in & out,
RS-232 (COM), VGA-out,
6-in-1 Card Reader
USB3.0(x5),HDMI-in & out,
RS-232 (COM), VGA-out,
6-in-1 Card Reader
Ports (B85 Chipset) USB3.0(x4) USB 2.0(x1),
HDMI-in & out, 6-in-1 Card Reader,
Ai Charger II
USB3.0(x4) USB 2.0(x1),
HDMI-in & out, 6-in-1 Card Reader,
Ai Charger II
USB3.0(x4) USB 2.0(x1),
HDMI-in & out, 6-in-1 Card Reader,
Ai Charger II
USB3.0(x4) USB 2.0(x1),
HDMI-in & out, 6-in-1 Card Reader,
Ai Charger II
Sound SonicMaster Premium SonicMaster Premium SonicMaster Premium SonicMaster Premium