I have a Gigabyte B650 Eagle AX motherboard and two available M.2 slots for SSDs. According to the manual, the M2P_CPU slot connects directly to the CPU but only supports PCIe x2. On the other hand, the M2C_SB slot connects to the chipset and supports PCIe x4. For optimal gaming performance, which slot should I use for my new SSD? Also, if you're curious, you can check the manual for more details, especially page 9 for the storage interface and page 26 for the supported SSDs.
3 Answers
While you might not notice a huge difference in all scenarios, the PCIe x4 is clearly better than x2 for most uses, including gaming. So, if you have the choice, go x4!
If you're looking for a good SSD, consider the WD Blue SN580. It's designed to match the performance limits of the x2 slot and offers a great balance between price and performance, making it a solid choice for secondary storage.
For gaming performance, definitely go with the M2C_SB slot that supports PCIe x4. It will give you faster speeds compared to the x2 slot, which should help with loading times and overall smoothness in games.
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