Lenovo Ultrabay Removable Graphics Card NVidia GT750M 2GB for Lenovo IdeaPad Y510p Y500s Laptops ONLY works in the ULTRABAY slot of a Lenovo IdeaPad Y510p or Y500s laptop THAT HAS AN EXISTING GT750M single card. This will NOT work if you have a system with an existing GT755M card. Official Product of Lenovo in Sealed Lenovo Retail Box 1 Year Lenovo Warranty Note that you need a larger power supply adapter (170 watt) from Lenovo if your laptop shipped with a smaller one - this card will not work without the higher power supply.