Asus Radeon HD4890 1GB EAH4890/HTDI/1GD5

Graphics Engine: AMD Radeon HD 4890
Bus Standard: PCI Express 2.0
Video Memory: DDR5 1GB
Memory Interface: 256-bit

Engine Clock: 850 MHz
Memory Clock: 3900 MHz
RAMDAC: 400 MHz

Resolution:
DVI Max Resolution : 2560x1600
D-Sub Max Resolution : 2048x1536

Interface:
2 DVI Output
1 S-Video

Power Consumption: up to 300W