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Original A1419 Motherboard 820-00292-A For Apple iMac 27" A1419 Logic Board With Graphics M390 Late 2015 EMC 2834 - AliExpress
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2015 27″ iMac 5K (R9 M390) [6th,4C] + RX 580 @ 16Gbps-TB2>TB3 (Razer Core X) + macOS 10.15.1 [Koncept_Zero] // for Davinci Resolve & tested 5700 XT | External GPU Builds
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Refurbished iMac 27" 5K Intel i7 4,0GHz 16GB Ram 1TB FusionDrive AMD Radeon R9 M390, 2GB videogeheugen | iUsed®
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Best Buy: MSI Twin Frozr V AMD Radeon R9 390 8GB GDDR5 PCI Express x16 3.0 Graphics Card Black R9390GAMING8G
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Specification Radeon R9 390 GAMING 8G | MSI Global - The Leading Brand in High-end Gaming & Professional Creation
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