Please Check Compatibility.

To find specifications of your machine:

 If the machine is working:

• Go to your Apple menu, select "About this Mac". You will find the serial number and year of the machine in this window.

 If the machine is not working:

• Look at your logic board directly, you should see your serial number and or 4 digits EMC number on the port where the memory is seated.
• You can then enter this into the search field at the everymac website which will tell you the complete specifications on your system.
• Please contact us if you are still unsure of compatibility and we can help you to determine that if this is the right part for you. Thanks!

COMPATIBILITY

Identifying Numbers:

• APN: 923-0557, 923-00509

Shipping(local pick-up unavailable)

• Some items are eligible for international shipping through eBay's Global Shipping Program (GSP) . If available, you will see the option to select your country in the shipping calculator. If you don't see your country listed in a specific listing, unfortunately, that means we don't  ship to your country.
• We can only ship to the address selected during checkout on eBay. Please verify your shipping address before submitting payment. For your security, address changes are not permitted after checkout has been completed.

Return / Warranty Policy

• EYaoStar has a zero-tolerance policy for all forms of return fraud including swapping products/parts, selecting an inaccurate reason for returns, or returning empty boxes. Violators will be reported to law enforcement and eBay's Trust & Safety team.
• You can return this item for any reason for a full 30 days.
• EYaoStar Warranty got your back. This item guaranteed to be fully functional for 90 days.
• Buyers are encouraged to model integrity when requesting and selecting a return reason on eBay. Buyers who abuse or misuse eBay's return center may be subject to a range of actions, including limits on buying and selling privileges and account suspension. Returned items must be received back in the original, unaltered condition.
• In the event that you decide to return the item, the tamper-proof sticker(s) must still be on the product to prove that the item(s) are ours to begin with.
• Please note that returned items that show any signs of tampering or damage due to improper installation will not be accepted and not eligible for refund or warranty. Buyers will also be reported to eBay and blocked from further purchases.

International Orders

• Buyers are responsible for all customs fees and import taxes.
• International orders may take several weeks longer than expected delivery dates to arrive due to delays in customs processing.