Product - I/O board with DC-In 2 power, USB 3.0, and audio ports Compatibility: MacBook Air 13” A1466 - MacBookAir5,2 Mid 2012: MD231LL/A (1.8 GHz Core i5) - MacBookAir5,2 Mid 2012: MD232LL/A (1.8 GHz Core i5) - MacBookAir5,2 Mid 2012: MD232LL/A (2.0 GHz Core i7) Identifying Numbers - Apple Part #: 923-0125 - Printed Part #: 820-3214-A #productDescription { color: #333333; word-wrap: break-word; font-size: small; line-height: initial; margin: 0.5em 0px 0em 25px;}#productDescription_feature_div > h2.default { color: #CC6600; font-size: medium; margin: 0 0 0.25em;}#productDescription_feature_div > h2.books { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: normal; margin: 0px;}#productDescription_feature_div > h2.softlines { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: bold; margin: 0px;}#productDescription > p, #productDescription > div, #productDescription > table { margin: 0 0 1em 0;}#productDescription p { margin: 0em 0 1em 1em;}#productDescription h3 { font-weight: normal; color: #333333; font-size: 1.23em; clear: left; margin: 0.75em 0px 0.375em -15px;}#productDescription table { border-collapse: inherit !important; margin-bottom: 0;}#productDescription table img { max-width: inherit !important;}#productDescription table td { font-size: small; vertical-align: inherit !important;}#productDescription ul li { margin: 0 0 0 20px;}#productDescription ul li ul { list-style-type: disc !important; margin-left: 20px !important;}#productDescription ul ul li { list-style-type: disc !important; margin-left: 20px !important;}#productDescription > ul ul li { list-style-type: disc !important;} #productDescription ul li ul li { margin: 0 0 0 20px;}#productDescription .aplus p { margin: 0 0 1em 0;}#productDescription small { font-size: smaller;}#productDescription.prodDescWidth { max-width: 1000px} Connects to logic board and provides MagSafe 2 power, USB port, & audio jack Includes: I/O board with USB, Audio, and DC-In 2 ports Compatible Model:MacBook Air 13" A1466 Mid 2012 (MD231LL/A, MD232LL/A) MacBookAir5,2 Mid 2012 Apple Part #: 923-0125 Printed Part #: 820-3214-A