The ASUS GTX750-PHOC-1GD5 OC-selected edition, GPU clock higher than reference for smoother gameplay. ASUS Dust-proof Fan Resists dust and particles for 25% longer graphics card longevity. Premium alloys in power delivery components defeat heat for cards that run 15% faster and last 2.5 times longer than reference. GPU TWEAK provides real-time and intuitive tweaking. Video Memory: 1024MB GDDR5. Memory Interface: 128bit