ASUS 20th Anniversary Gold Edition GTX 980 Ti: The Fastest GTX 980 Ti Infused with Continuous Innovations and Best Reliability DirectCU II with 0dB fan technology: Let you enjoy games in complete silence, and performs 30% cooler with 3X quieter than reference. DIGI+ VRM and 14-phase Super Alloy Power II: 30%-less power noise and 5X-greater durability. Industry-only Auto-Extreme Technology: Full-automation for best reliability. Memory Defroster: Instant defrost. Say goodbye to cold bugs. Safe Mode: One-press VBIOS reload. Color-coded Load Indicator: At-a-glance GPU load level. GPU Tweak II with XSplitGamecaster: Intuitive performance tweaking and instant gameplay streaming. Graphics Engine NVIDIA GeForce GTX 980 TI Bus Standard PCI Express 3.0 OpenGL OpenGL 4.5 Video Memory GDDR5 6GB Engine Clock GPU Boost Clock : 1367 MHz GPU Base Clock : 1266 MHz CUDA model : GOLD20TH-GTX980TI-P-6G-GAMING tag : Video - Graphic Cards