يا جماعه الاجابه الرابعه مش خطأ ولا حاجه.. و فى مصادر كتييير بتقول الكلام ده..
https://www.hardwaresecrets.com/ever...ut-chipsets/4/
Currently, Intel uses a dedicated connection called DMI (Direct Media Interface), which uses a concept similar to PCI Express, with lanes using serial communications, and separate channels for data transmission and reception (i.e., full-duplex communication). The first version of DMI uses four lanes and is able to achieve a data transfer rate of 1 GB/s per direction (2.5 Gbps per lane), while the second version of DMI doubles this number to 2 GB/s. Some mobile chipsets use two lanes instead of four, halving the available bandwidth.
Read more at https://www.hardwaresecrets.com/ever...iJ5hGZR4Xd8.99
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