Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Asus ATI Radeon HD6450 Silent 512MB DDR3 VGA/DVI/HDMI Low Profile PCI-Express Video Card - EAH6450 SILENT/DI/512MD3(LP)
Product description: ASUS EAH6450 SILENT SILENT/DI/512MD3(LP) with AMD HD 6450 GPU which includes integrated support for HDMI, deep color, and 7.1 digital surround sound over Native HDMI. Low profile design with low profile bracket bundled fits end users' mini home theater PC. 0dB Silent heat sink, which offers the best home theater enjoyment.
Product feature: Exclusive 0dB thermal design dissipates heat efficiently without any noise, LP Bracket bundled: HTPC ready design. Free Low profile bracket bundled, EMI Shield Reduces 66% of electromagnetic interference for a stable signal, clearer screen display and a safer, healthier computing environment.
Product brand: Asus
Target attributes: Video Memory Type
Answer: attribute: video memory type
value: ddr3
source: product title