The product is an upgrade NVIDIA K3100M 4GB GPU video card for iMac 27" A1312 Mid 2009 2010 2011. This graphics card is manufactured by NVIDIA and has a chipset model of K3100M. It has a memory size of 4GB and is designed for use with Apple products. The video card is made in China and is intended for improving the graphics performance of the specified iMac models.
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