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HIS HD 5770 1GB (128bit) GDDR5 PCIe (DirectX 11/ Eyefinity) < HD 5700 Series < Desktop Graphics < Products | HIS Graphic Cards
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XFX HD-577A-ZNDC Radeon HD 5770 XXX Edition 1GB 128-bit DDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card - Newegg.com
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