Sapphire - ATI Radeon HD 3850512MB GDDR3Bandwidth: 105.8 GB/sGPU RV670GPU Variant: RV670 PRO (215-0708003)Chip: FCBGA-1281 specsProcess Size: 55 nmPCIe 2.0 x16TDP: 75 Watt / 250 Watt