This listing is for one:
Apple MacBook Pro 2012 A1278 Logic Board 820-3115-B, MD101LL/A 2.5GHz i5
Logic board is a working system pull from Apple MacBook Pro 13" 2012 MD101LL/A
Sale includes DC Jack and 4GB DDR3 1600MHz
Item sealed in anti-static material.
Shipping via USPS.