![I'm pretty sure that the mystery slot on the back of the Xbox Series X is a CFexpress memory card slot. If an ethernet port is about 11.5mm wide then using the I'm pretty sure that the mystery slot on the back of the Xbox Series X is a CFexpress memory card slot. If an ethernet port is about 11.5mm wide then using the](https://i.redd.it/0m84p5se2ac41.png)
I'm pretty sure that the mystery slot on the back of the Xbox Series X is a CFexpress memory card slot. If an ethernet port is about 11.5mm wide then using the
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Amazon.com: BrightOn Optimized Cable Package Compatible with Xbox Series X/S | 8K HDMI 2.1 HDR Black Cable 8K@60Hz/4K@120Hz | CAT 7 Super High Speed Ethernet Cable | Fast Charge (USB A to
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