Apple MacBook  Pro A1278 13  i5 2.3 GHz 2011 Unibody Logic Board 820-2936-B  For  2011 Model MacBook  Pro 13 2011 with processors i5 2.3 ghz- i5 2,4ghz and i7..All Boards are security marked and come with a warranty stickerUse in perfect working condition, 100 % thoroughly tested. Before buying please check compatibility with your laptop. If unsure contact us  60 Day Warranty Free Installation In Your Laptop Available!If unsure, if you can handle installation of the logic board yourself, we will do it for you free of charge. Contact us after purchase if you are interested in this service. Shipping:We ship in 1-2 Business days after payment is received. Tracking number is provided. Payment:We accept only PayPal  If not satisfied please contact us before leaving negative feedback, so we can find suitable solution