The mPCIe slot is seldom used to connect graphics cards. Because of its size and the available peripherals, less and less new laptops feature this slot. Compared to USB 3.0, this standard has a PCIe x1 connection and so, allows connecting graphics cards. It supports a bandwidth of up to 5 Gbits - older device from before 2009 achieve 2.5 Gbits. So, how to create a PCIe connection? The following interfaces can be used:Ī connection via ExpressCard slot is most common. Therefore, it is also not possible to connect it via this widespread interface. Separate graphics drivers would be required for each notebook in order to use an external graphics card. USB 3.0 could achieve a high transfer rate, but does not have its own PCIe architecture. ![]() For example, the bandwidths of USB 2.0, Firewire, SD card slots, etc., are too low. ![]() ![]() Similar to replaceable graphics cards connected via MXM, not all notebooks allow connecting an external graphics card since most interfaces do not have PCIe architecture and do not achieve the required bandwidth.
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