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Amazon.com: Dell Gaming 990 Desktop Computer Optiplex, Intel Core i7 3.4 upto 3.8GHz 2600 CPU, NEW 1TB Solid State Hybrid, 8GB DDR3 Memory, WiFi, Windows 10 Pro, Nvidia GT710 2GB (Renewed) : Electronics
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Prebuilt OEM PCs and PCI-E Slot Powered GPUs Compatibility (Dell Optiplex 990 + RX 460 560 = NOPE) - YouTube
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Amazon.com: DELL Optiplex 990 Tower High Performance Business Desktop Computer, Intel Quad Core i5 up to 3.4GHz Processor, 8GB RAM, 2TB HDD, DVD, WiFi, Windows 10 Pro 64 Bit(Renewed)'] : Electronics
Which Dell Optiplex MT (any model 990, etc.) can I change the graphics card without upgrading the PSU? Which GPUs would work? - Quora
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