The original machine is used for the second hand notebook memory, the pre-shipment test 100% normal work, please feel free to purchase. If you need to upgrade to match your memory, please provide your current memory picture. It's convenient for us to send you the same memory, or you tell me the memory you need.<p> <b><b><img src="https://contestimg.wish.com/api/webimage/593e0da2e81e8a67e3b77075-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593e0da2e81e8a67e3b77075-1-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593e0da2e81e8a67e3b77075-2-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593e0da2e81e8a67e3b77075-3-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593e0da2e81e8a67e3b77075-4-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593e0da2e81e8a67e3b77075-5-large.jpg></b></b></p>