Brand , quality replacement HDD cable for MacBook Pro 13' (A1278, Mid 2012) Part Number: 8211480A Function: internal hard drive data and power cable that connects the 2.5' HDD/SSD to the MacBook Pro logic board, restoring drive detection and data access. Condition: Brand and 100% tested before to ensure reliable performance. Why you need this cable Replaces a damaged or failing HDD cable that causes drive not found errors, boot failures, or intermittent data access. Restores full data and power connection to your internal drive without replacing the drive or logic board. Saves time and cost by addressing a common singlepoint failure in older MacBook Pro 13' A1278 models. Key attributes Compatibility: Specifically compatible with MacBook Pro 13' A1278 (2012). Part Number 8211480A. Fit and function: Designed to match Apple's original connector layout and electrical connections for proper operation. Build: Durable construction and qualitycontrolled manufacturing; each unit is tested prior to shipment for functionality. Practical use scenarios : a frayed or broken HDD cable after accidental damage or wear to regain reliable drive operation. Upgrade: Install when upgrading from an old HDD to a SSD to ensure the replacement drive is properly recognized. Troubleshooting: Swap in this cable to diagnose and fix intermittent drive detection issues before pursuing more expensive repairs. Important note Please doublecheck your MacBook's model number printed on the bottom case to confirm compatibility with A1278 (2012). If you are unsure, contact us before ordering. Includes: one replacement HDD cable (Part Number 8211480A), brand and tested.