SAPPHIRE HD 7970

Single chip's most powerful graphics card currently in the reference design from the court manufacturer of graphics cards with AMD chips.It is designed for hardcore gamers who like to play the latest and most demanding games at high resolutions and high settings.It is suitable for playing games on multiple monitors, or for playing in stereoscopic 3D mode.
The card uses the strength of the most advanced 28nm manufacturing process and a brand new architecture GCN (Graphics Core Next), which also increases performance up to 4 times the tessellation and improved anisotropic texture filtering.The new architecture of the phenomenal performance of the card also affords a very good operating characteristics and the excellent potential of overclocking.With the new architecture and new technology came ZeroCore AMD Power, which takes care of practically negligible consumption (<3 W) card if your monitor is at the transition to a "stand-by."
Huge power, 3 GB of GDDR5 memory, 4 outputs and AMD Eyefinity allows playing games or just routine work up to 6 monitors.The set of outputs for HDMI 1 is worth mentioning4a with a working frequency of 3 GHz, which is capable of transmitting stereoscopic 3D images in 1080p resolution at 60 Hz for each eye.The card is then ready for the next generation of displays with a resolution of 4K.
Specifications:
Core:
AMD Radeon HD 7970 (Tahiti XT)
The number of stream processors:2048
Manufacturing technology:28 nm
Memory:
Capacity:3072 megabytes
Type:GDDR5
Bus:384-bit
Permeability:264 gigabytes/sec
Frequency:
Core:925 MHz
Memory:5500 MHz
Interface:
PCI Express 30 x16
Outputs:
1x DVI Duallink
1 x HDMI 14a
2x DisplayPort first2
Cooling:
Dvouslotové
Active fan
Dimensions:
275 x 115 x 36 (L x W x H)
Technology:
Microsoft DirectX 11
Shader Model 5th0
OpenGL fourth2
AMD CrossFireX
AMD Eyefinity
AMD EyeSpeed
AMD HD3D
AMD PowerTune
AMD App Acceleration
AMD Power ZeroCore
AMD PowerPlay
AMD PowerTune
Energy intensity:
MinRecommended power sources:500 W
External power supply:6pinový 1x + 1x 8-pin PCI Express power connector
Max.consumption:230 W (reference model)
Included accessories:
CD with drivers and utilities
CrossFire bridge
Power Cable
Adapter DVI to D-sub
Cable Mini DisplayPort to DisplayPort
Adapter HDMI to DVI Single-Link