ASUS 1GB Graphics Card GT740-OC-1GD5 OC-selected edition GPU clock higher than reference for smoother gameplay. Dust-Proof Fan design additionally dissipates heat efficiently while expending lifespan by 25%. Super Alloy Power 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.