Video card only, without any accessories such as: heatsink or driver disc. Professional skill is required to install the graphics card. Please take it to repair shop nearby if you don't know how to do it. We don't provide installation tutorial. If you are uncertain about the compatibility, please contact us before ordering. Brand: NVIDIA Model: GTX 680M GPU IC: N13E-GTX-A2 Memory Size: 4 GB Memory Type: GDDR5 Connecter Interface: MXM 3.0B Condition: New Warranty: Three Months (If removed sticker or sign, no warranty) Remark: 1. The MXM card tested in laptop & 3D mark before sent. 2. Some of Laptop need updated bios & compatible it. 3. If the MXM card driver conflict with some device driver in laptop, the operate system maybe need re-install. 4. Pls paste the heat-sink sticker before install the card. 5. Come with the card only, without any accessaries like the heatsink or drive disk. ManufacturerNVIDIA GeForce GTX 680M1344 @ 720 MHz256 Bit @ 3600 MHz CodenameN13E-GTX ArchitectureKepler Pipelines1344 - unified Core Speed720 MHz Memory Speed3600 MHz Memory Bus Width256 Bit Memory TypeGDDR5 Max. Amount of Memory4096 MB Shared Memoryno DirectXDirectX 11, Shader 5.0 Transistor Count3540 Million technology28 nm FeaturesOptimus, SLI, PhysX, Verde Drivers, CUDA, 3D Vision, 3DTV Play Notebook Sizelarge Date of Announcement04.06.2012 = 2993 days old