iXBT Labs - i3DSpeed, October 2010 - AMD Radeon HD 5850 1GB DDR5 (725/725/4000 MHz)
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Sapphire Radeon HD 5850 1GB GDDR5 specs
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XFX ATI Radeon HD 5850 (HD-585X-ZAFC) 1GB GDDR5 SDRAM PCI Express x16 Graphic Card for sale online | eBay