Dell OptiPlex 7090 Setup And Specifications page 13

35 W system board
1. M.2 WLAN card connector
2. M.2 SSD PCIe connector
3. 2.5-inch hard-drive connector
4. Coin-cell battery
5. Optional video connector (VGA Port/DisplayPort 1.4 Port/HDMI 2.0b Port)
6. Optional connector (USB 3.2 Gen 2 Type-C Port)
7. Optional Keyboard and mouse serial port connector
8. Processor socket
9. CPU Fan connector
10. Internal speaker connector
11. Memory modules
12. M.2 SSD PCIe connector
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