![Amazon.com: XFX AMD Radeon R9 290 Double Dissipation R9290AEDFD Graphic Card 947MHz 4GB DDR5 DP HDMI 2XDVI XFX AMD Radeon R9 290 Double Dissipation R9290AEDFD Graphic Card 947MHz 4GB DDR5 DP HDMI Amazon.com: XFX AMD Radeon R9 290 Double Dissipation R9290AEDFD Graphic Card 947MHz 4GB DDR5 DP HDMI 2XDVI XFX AMD Radeon R9 290 Double Dissipation R9290AEDFD Graphic Card 947MHz 4GB DDR5 DP HDMI](https://m.media-amazon.com/images/I/61aJUCpffUL.jpg)
Amazon.com: XFX AMD Radeon R9 290 Double Dissipation R9290AEDFD Graphic Card 947MHz 4GB DDR5 DP HDMI 2XDVI XFX AMD Radeon R9 290 Double Dissipation R9290AEDFD Graphic Card 947MHz 4GB DDR5 DP HDMI
![Best Buy: MSI Twin Frozr V AMD Radeon R9 390 8GB GDDR5 PCI Express x16 3.0 Graphics Card Black R9390GAMING8G Best Buy: MSI Twin Frozr V AMD Radeon R9 390 8GB GDDR5 PCI Express x16 3.0 Graphics Card Black R9390GAMING8G](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/4530/4530006_sa.jpg)
Best Buy: MSI Twin Frozr V AMD Radeon R9 390 8GB GDDR5 PCI Express x16 3.0 Graphics Card Black R9390GAMING8G
![2015 27″ iMac 5K (R9 M390) [6th,4C] + Radeon VII @ 16Gbps-TB2>TB3 (Razer Core X) + macOS 10.15.2 [Koncept_Zero] | External GPU Builds 2015 27″ iMac 5K (R9 M390) [6th,4C] + Radeon VII @ 16Gbps-TB2>TB3 (Razer Core X) + macOS 10.15.2 [Koncept_Zero] | External GPU Builds](https://i.imgur.com/CgOtrfW.jpg)
2015 27″ iMac 5K (R9 M390) [6th,4C] + Radeon VII @ 16Gbps-TB2>TB3 (Razer Core X) + macOS 10.15.2 [Koncept_Zero] | External GPU Builds
![Tested Original Motherboard 820-3299-a 820-3478-a 820-3481-a 820-00134-a Logic Board For Imac 27" A1419 2012 2013 2014 2015 Year - Pc Hardware Cables & Adapters - AliExpress Tested Original Motherboard 820-3299-a 820-3478-a 820-3481-a 820-00134-a Logic Board For Imac 27" A1419 2012 2013 2014 2015 Year - Pc Hardware Cables & Adapters - AliExpress](https://ae01.alicdn.com/kf/Se5444a243bcb4b2e95c3deed93416984v.jpg?width=900&height=900&hash=1800)
Tested Original Motherboard 820-3299-a 820-3478-a 820-3481-a 820-00134-a Logic Board For Imac 27" A1419 2012 2013 2014 2015 Year - Pc Hardware Cables & Adapters - AliExpress
![Original A1419 Motherboard 820-00292-A For Apple iMac 27" A1419 Logic Board With Graphics M390 Late 2015 EMC 2834 - AliExpress Original A1419 Motherboard 820-00292-A For Apple iMac 27" A1419 Logic Board With Graphics M390 Late 2015 EMC 2834 - AliExpress](https://ae01.alicdn.com/kf/S0e1357e826994cf19d9601b907fffd2d2/Original-A1419-Motherboard-820-00292-A-For-Apple-iMac-27-A1419-Logic-Board-With-Graphics-M390.jpg)