Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Supermicro A1SRi-2558F Intel C2558 Fanless Mini Server w/Quad LAN,IPMI, 8GB ECC
Product description: Designed as a fanless mini server configuration featuring an Intel Atom C2558 Quad Core processor . Quad Intel GbE ports and a dedicated IPMI 2.0 port are present for rock-solid connectivity and easy management. This server is built for low energy consumption and 24/7 operation while remaining compact and quiet.
Product feature: Intel Atom C2558 2.4GHz Quad Core Processor; ASPEED AST2400, VGA Max. Resolution: 1920 x 1200 @60Hz,, Includes 8GB DDR3-1600MHZ ECC SODIMM Memory; Supports 4x 204-pin DDR3 SODIMM, Maximum 64 GB Capacity, ECC Unbuffered Memory, 1333MHz Minimum, 1.35V or 1.5V, Supports 2x SATA3 6.0Gb/s 2.5" Drives, 4x Intel I354 GbE and 1x Realtek 8211E-PHY for IPMI, Case Dimensions: 190mm x 196mm x 62mm, 7.48" x 7.72" x 2.44" (in inches); VESA (100 x 100mm) and Wallmounting included
Product brand: MITXPC
Target attributes: Power Supply
Answer: attribute: power supply
value: None
source: None