Sapphire PCIe 2.0 HD4830 512MB

The new SAPPHIRE HD 4830 shares the award winning graphics architecture used in the existing HD 4800 series and offers the same features, but with an optimised specification and lower price point to deliver the best performance in its price category. With 640 shader engines and clock speeds of 575 MHz (core) and 900MHz (memory), it offers similar overall performance to the HD 4850 model but at a reduced price point.

I/O Output: Dual DL-DVI-I+HDTV

Core Clock: 575 MHz

Memory Clock: 900MHz, 1800 Mbps.

PCI Express 2.0 x16 bus interface

512MB /256bit GDDR3 memory interface

Dual Slot Active Cooler

HDMI compliant via dongle

7.1 Audio Channel Support

Microsoft® DirectX® 10.1 support

Shader Model 4.1 support