Stand for the offer HP Pavilion dv9000 USB with cable Mainboard # KZ-396 These are fully functional and can be used straight away. Please note that there are different motherboards that cannot read ECC memories. Please pay close attention to how the ram was described. If you have any questions, you can contact us at any time. We are only human and that's why mistakes can happen to us. If the description does not match the title or the picture, please let us know. The article shown in the pictures is authoritative for the article to be received, so please check the picture shortly before buying.