User only need to add some accessories: 1. can be DIY by user by CPU,Memorry,Harddisk 2. very easy to repair and install,cheap

Color	White,Silver,Red	White,Silver,Red	White,Silver,Red	White,Silver,Red
Display screen	21.5 inch	21.5 inch	21.5 inch	21.5 inch
Pixels	1920*1080 dpi	1920*1080 dpi	1920*1080 dpi	1920*1080 dpi
Aspect Ratio	16:09	16:09	16:09	16:09
Processor	/	i3 2100	i5 2300	Intel G530
Chipset	Support MicroATX(245mm*245mm) and ITX(170mm*170mm) Motherboard	Intel H61	Intel H61	Intel H61
Frequency	/	3.1GHz	2.8GHz	2.4GHz
HDD	Support 3.5' or 2.5' HDD	500G SATA,2.5'	500G SATA,2.5'	320G SATA,2.5'
Memory	/	2GB DDR3	4G DDR3	2GB DDR3
Memory support	/	DIMMx2 slot	DIMMx2 slot	DIMMx2 slot
Memory Max	/	8GB	8GB	8GB
Optical Drive	Support laptop CD-ROM	DVDRW	DVDRW	DVDRW
Video Chipset	/	Intel HD Graphics	Intel HD Graphics	Intel HD Graphics
Video RAM	/	256MB	256MB	256MB
Max	/	512MB	512MB	512MB
Speaker	2 Speankers;	2 Speankers;	2 Speankers;	2 Speankers
Web Cam	1.3M PX	1.3M PX	1.3M PX	1.3M PX
Communication	/	10-100-1000M	10-100-1000M	10-100-1000M
A/C Input	100-240V	100-240V	100-240V	100-240V
Power	250W	250W	250W	250W
support OS	/	WinXP,Win7	WinXP,Win7	WinXP,Win7
Default OS	/	DOS	DOS	DOS
Keyboard&Mouse	/	PS/2 Keyboard&Mouse	PS/2 Keyboard&Mouse	PS/2 Keyboard&Mouse
Interface	/	USB 2.0*8 VGA Port*1	USB 2.0*8 VGA Port*1	USB 2.0*8 VGA Port*1
		Lan*1 MIC*1	Lan*1 MIC*1	Lan*1 MIC*1
		DVI*1	DVI*1	DVI*1

DIY all in one computer