Micron 256MB 1Rx16 PC2-4200S-444-12-ZZ DDR2 Laptop Notebook Memory P/N: MT4HTF3264HY-53EB4 Removed from working laptop. Tested, works fine. Key Features: Number of Modules: 1 Capacity: 256MB DDR2 SDRAM PC2-4200 Memory Speed: 533 MHz 200 pins Unbuffered dual in-line memory module MPN: MT4HTF3264HY-53EB4 ? Shipping: In most cases, purchased item ships within 24 hours on the next business day. Payment: I prefer PayPal payments only please. It is your best protection as a buyer. Payment is expected within 2 business days. Otherwise, the order will be cancelled and item relisted. Feedback Seller Rating: The customer satisfaction is always will be my Top Priority! Any problem with your purchase please contact me via "Contact Seller" button and I will do my best in order to resolve the issue fairly. If you're happy with the purchase, please leave me a 5 Star ***** Seller Rating and Feedback. This is important for me. I will do the same in return. Thank You! ? Please email with any questions you might have. Thank you for looking!