Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: ZOTAC GeForce GTX 560 Ti AMP! 1GB GDDR5 PCI Express 2.0 Dual DVI/HDMI/Displayport SLI Ready Graphics Card, ZT-50302-10M
Product description: Boost your gaming experience with the turbocharged ZOTAC GeForce GTX560 Ti AMP! Edition graphics card. The ZOTAC GeForce GTX 560 Ti AMP! Edition elevates the NVIDIA GeForce GTX 560 Ti graphics processor to new heights with additional tuning for phenomenal performance in the latest Microsoft DirectX 11-enabled games and applications. Support for NVIDIA SLI and NVIDIA Surround technology enables up to two ZOTAC GeForce GTX 560 Ti AMP! Editions to combine power to deliver outstanding immersion and performance with up to three monitors. NVIDIA 3D Vision technology delivers stunning stereoscopic 3Deffects when pairing the ZOTAC GeForce GTX560 Ti AMP! Edition with compatible 3D monitors and TVs for a realistic gaming experience.
Product feature: NVIDIA GeForce GTX 560 Ti GPU, 384 Unified Shaders, 1GB GDDR5, 256-bit memory bus, Core Clock:, NVIDIA Force Ware Drivers, Microsoft DirectX 11, OpenGL 4.1, Microsoft Windows XP/Vista/7, NVIDIA Unified Architecture, NVIDIA 3D Vision Surround ready, NVIDIA SLI ready, NVIDIA PhysX & CUDA Technology, NVIDIA PureVideo HD technology, Dual -link DVI (Up to 2560x1600), HDMI 1.4a w/audio, HDCP ready, SLI bridge connector (2-way SLI ready), ED 480p, HD 720p, HD 1080i, Full HD 1080p, Core Clock: 950 MHz, Shader Clock: 1900 MHz, Memory Clock: 4400 MHz, PCI Express 2.0 (compatible with 1.1), HDMI xvYCC Color & Deep Color technologies, HDMI 1.4a compliant, Hardware-accelerated Blu-ray 3D ready, Memory Clock: 4400 MHz, PCI Express 2.0 (compatible with 1.1), NVIDIA GeForce GTX 560 Ti GPU, 384 Unified Shaders, 1GB GDDR5, 256-bit memory bus, Core Clock: 950 MHz, Shader Clock: 1900 MHz,, Shader Clock: 1900 MHz, Memory Clock: 4400 MHz, PCI Express 2.0 (compatible with 1.1), HDMI xvYCC Color & Deep Color technologies, HDMI 1.4a compliant, Hardware-accelerated Blu-ray 3D ready, Technology, HDMI xvYCC Color & Deep Color technologies, HDMI 1.4a compliant, Hardware-accelerated Blu-ray 3D ready
Product brand: ZOTAC
Target attributes: Power Connectors
Answer: attribute: power connectors
value: None
source: None