Laptop motherboard. Batteries, sheet metal, metal brackets, and heat sink have been removed. Grade A

Motherboard with two old BGA chips. Batteries, metal sheets, and metal fasteners have been removed. Grade B

Tester motherboards, technical desk, medical devices, printer with less visible gold content but with several components containing precious metals and gold connectors. No metal transformers and no batteries. Grade E

Old generation motherboard, socket 486 n° 1 / 2 / 3 / 5 / 7 / 8 / socket 463, socket 370 / PGA2 / slot 1 / slot 2 without heat sink (plastic CPU socket). Batteries, sheets, metal fixing, heat sink have been removed. Grade A

Backplane board with multiple gold connectors on only 50% of the surface, grade D. These backplanes serve as supports for trays in server cabinets, they carry bare gold-plated connectors or pins. The term grade D was chosen because only 50% of the board is found covered with pins or connectors. Are not found to be gold-plated the backplane will be put in...

Daughter board (plug-in) without heatsink, with metal. Batteries have been removed. Grade B

Consumer electronics boards such as receivers and recorders. These boards have passive components and capacitors. Grade F

Recent motherboard, Socket INTEL MPGA 478 / 775 / 1155 / 1156 / 1366 and AMD 754 / 939 / AM2 / AM3 and new without heatsink. Batteries, sheets, metal fixing, heatsink have been removed. Grade A

Daughter board (plug-in) with heatsink, with metal. Batteries have been removed. Grade C

Low-grade circuit boards: power-supply, transformer and CRT boards with aluminium and copper components, barely visible gold plating. Bought per kilo, quote from photos.