ASUS HD7770-DC-1GD5

Specifications
Graphics Engine AMD Radeon HD 7770
Bus Standard PCI Express 3.0
Video Memory GDDR5 1GB
Engine Clock 1020 MHz
Memory Clock 4600 MHz ( 1150 MHz GDDR5 )
RAMDAC 400 MHz
Memory Interface 128-bit
Resolution D-Sub Max Resolution : 2048x1536
DVI Max Resolution : 2560x1600
Interface D-Sub Output : Yes x 1 (via DVI to D-Sub adaptor x 1)
DVI Output : Yes x 1 (DVI-I)
HDMI Output : Yes x 1
Display Port : Yes x 2 (Mini DP)
HDCP Support : Yes
Accessories 1 x CrossFire cable
1 x DVI to D-Sub adaptor
Software ASUS Utilities & Driver
ASUS Features DirectCU Series
Dimensions 8.9 " x 5.5 " x 1.6 " Inch
Note To ensure optimum performance and stability, avoid using ASUS HD 7700 Series cards with Windows XP, as official AMD driver support will not be added until April 2012.