ASUS EAH4870 DK/HTDI/1GD5 Radeon HD 4870 Dark Knight 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card

Specifications
Graphics Engine
ATI Radeon HD 4870
Bus Standard
PCI Express 2.0
Video Memory
GDDR5 1G
Engine Clock
750 MHz
Memory Clock
3.6 GHz ( 900 MHz DDR5 )
RAMDAC
400MHz
Memory Interface
256-bit
D-Sub Max Resolution
2048 x 1536
DVI Max Resolution
2560 x 1600
D-Sub Output
Yes x 1 (via DVI to D-Sub adaptor x 1 )
DVI Output
Yes x 2 (DVI-I)
HDMI Output
Yes x 1 (via DVI to HDMI adaptor x 1 )
HDTV Output (YPbPr)
Yes
HDCP Support
Yes
TV Output
Yes (YPbPr to S-Video and Composite)
Adapter/Cable Bundled
1 x DVI to D-Sub adaptor

1 x DVI to HDMI adaptor

1 x HDTV-out cable

1 x CrossFire cable

1 x Power cable
Software Bundled
ASUS Utilities amp; Driver
Note
Special Bundled - Leather Mouse PAD

The card size is 4.376 inches x 9.5 inches