Dell Optiplex 990 SFF Flagship Premium Business Desktop Computer (Intel Quad-Core i5-2400 up to
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Refurbished: Dell OptiPlex 990 Mini Tower Intel Core i7-2600 16 GB DDR3 RAM 1TB HD DVD-RW Windows 10 Pro WiFi - Newegg.com
Restored Dell Optiplex 990 Tower Computer Intel i7 32GB DDR3 RAM, Windows 10 Pro (Refurbished)
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Dell OptiPlex 990 | Intel i7-2600 3.4GHz | 8GB | 250GB HDD | Win 10 Pro I GPU
No chipset heatsink on my 990 MT ? | DELL Technologies