Rack board with gold-plated connectors and a gold-plated integrated processor. The solder joints are also gold-plated. Grade A. Mainframe printed circuit boards with a large number of integrated circuits, gold-plated connectors, and an integrated processor with gold visible to the naked eye.

Memory sticks with a gold edge and heat sink, from computers, laptops or servers.

Memory sticks with a silver edge are pluggable from computers without heat sinks. Memory sticks with a cooling pad that have not been removed have a special purchase price.

Gold-plated electronic board. The solder lines are also gold-plated. Grade B

Plastic and ceramic Eprom

The tracks are gold-plated on both sides. In addition, many active components are installed. Heavy components such as transformers have been removed. Grade C

Fully assembled with ICs, without transformers or metal parts. Typically, this type of board results from the dismantling of servers, mainframes, or telecommunications systems. Grade D

Backplane board with multiple gold pins, grade A. These backplanes serve as supports for trays in server cabinets. The table shows only bare gold-plated pins. The term grade A was chosen because 100% of the board is covered with gold-plated pins, as in the category image. This type of board is characterized by pins having at least 50% gold and its...

Plastic processors with a heatsink with PIN, from computers without fans or heatsinks. Most often, their color is black, green or brown. Plastic processors with a cooling plate that has not been removed have a special purchase price.

Plug-in daughter card without heatsink. Batteries, sheet metal, metal mounting, and heatsink have been removed. Grade A

Plastic processors with a heatsink without a PIN, from computers without fans or heatsinks. Most often, their color is black, green or brown. Plastic processors with a cooling plate that has not been removed have a special purchase price.

Computer CD/DVD electronic card