Extreme AX300SE-X/TD 128 Mb DDR 64-bit, 16x PCI-E.

ASUS Extreme AX300SE-X is equipped with exclusive ASUS innovations and ATI RADEON X300SE VPU, a "true" PCI-Express solution. With a powerful combination of the industry's fastest PCI Express architecture and rendering pipeline, EAX300SE-X delivers state-of-the-art cinematic resolution for demanding 3D applications. Additionally, it incorporates various innovative technologies, such as ASUS GameFace Live, ASUS VideoSecurity Online, ASUS OnScreenDisplay, ATI's SmartShader, and SmoothVision. EAX300SE-X is a complete solution for the new PCI-Express market.
Powered by the world's powerful PCI-E VPU –ATI Radeon X300 SE VPU
Uses 0.11 micron with low k to bring a robust low power high performance DX9 solution.
Native PCI Express: full 16 lane support with 8GB/sec bidirectional peak bandwidth support
SMARTSHADER and VIDEOSHADER: provides superior programmability and performance, by implementing Microsoft DirectX9.0-level shaders at full precision at all times..
Microsoft DirectX 9 and OpenGL 1.5 support
PCI-Express x16 lanes native support

ASUS Extreme AX300SE-X/TD 128 Mb, GDDR, 64 bit, 2048 x 1536 pixels

ASUS Extreme AX300SE-X/TD 128 Mb. Graphics card memory type: GDDR, Memory bus: 64 bit. Maximum resolution: 2048 x 1536 pixels