Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: VisionTek Radeon R9 280X 3GB GDDR5 PCI Express Graphics Card - 900652
Product description: With 6Gb/s throughput and 4.1 Teraflops, you may just want to use seat belts when you fire up the VisionTek Radeon R9 280X. It enables you to take advantage of 1440p high resolution displays and run the latest games without any performance lag. Its the fastest high performance card at its price point, offering a 3DMark Fire Strike score exceeding 6,800. With support for the DIRECTX 11.2 graphics standard, youll elevate your gaming experience with stunning 3D visual effects, realistic lighting, and lifelike imagery. With 5GB of 384bit DDR5 memory, engine clock speed of 850MHz, award-winning Graphics Core Next (GCN) architecture, and DVI-I/HDMI/2 x mini DisplayPort outputs, the VisionTek Radeon R9 280X can run todays most popular games at 1440p resolution up to 39% faster than other brand GPU powered graphics cards. For peace of mind ownership, it comes backed by an industry leading lifetime warranty and free lifetime US-based technical support.
Product feature: AMD PowerTune technology for higher frame rates and automatic overclocking, AMD ZeroCore Power technology for automatic power-saving efficiency, AMD App Acceleration "co-processing" to improve performance of common computing tasks
Product brand: VisionTek
Target attributes: Power Connectors
Answer: attribute: power connectors
value: None
source: None