Model Name	HIS 6870 IceQ 1GB GDDR5 PCI-E HDMI/2xDVI/2xMini DP
Chipset	Radeon HD 6870 PCIe Series
ASIC	RadeonTM HD 6870 GPU
Manu. Process (Micron)	40nm
Memory Size (MB)	1024
Memory Type	GDDR5
Engine CLK (MHz)	900Mhz
Memory CLK (Gbps)	4.2Gbps
Memory Interface (bit)	256
Power Supply Requirement	500W minimum
Max. Resolution	2560*1600
Bus Interface	PCI Express x16
Mini Display Port	Yes
HDMI	Yes
DVI	Upper Single-link DVI-D + Bottom Dual-link DVI-I
VGA	No

HD 6870 System Requirement

• PCI Express ® based PC is required with one X16 lane graphics slot with 2 slots space available on the motherboard 
• 500 Watt or greater power supply with two 75W 6-pin PCI Express® power connectors recommended (600 Watt and four 6-pin connectors for AMD CrossFireX™ technology in dual mode)   
• Certified power supplies are recommended. Refer to http://ati.amd.com/certifiedPSU for a list of Certified products 
• Minimum 1GB of system memory  
• Installation software requires CD-ROM drive, a keyboard, a mouse, and a display 
• DVD playback requires DVD drive and a DVD 
• Blu-ray™ playback requires Blu-ray drive and a Blu-ray disc 
• For an AMD CrossFireX™ system, a second AMD Radeon™ HD 6800 Series Graphics card, an AMD CrossFireX™ Ready motherboard and one AMD CrossFireX™ Bridge Interconnect cable is required