Genuine Dell Inspiron 1520, 1521 NVIDIA GeForce UW390 8600M Video Graphics Card, Also For Vostro 1500, 1510, 1520 Laptops Notebooks, Dell Part Numbers: GM716 (heatsink), YY634 (plastic plate) For Vostro 1500, 1510, 1520 Laptops For Inspiron 1520, 1521 Laptops Chipset Manufacturer: NVIDIA Memory: 256MB; Memory Interface: 128-Bit Model: NVIDIA GeForce 8600M