What is a eSATA port for? Is it one of these useful in a laptop or I can use the USB port to connect an external HDD? - Quora
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Irfora Multi-Function USB 3.0 Hub eSATA Port Internal Card Reader PC Dashboard Media Front Panel Audio for MS CF TF M2 MMC Memory Cards Fits 5.25 - Walmart.com
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Amazon.com: 3 ft. eSATA+USB Combo Port to eSATA Male & USB A Male Cable, Manhattan 325301 : Electronics
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Desktop 2 Ports SATA to Power eSATA eSATAp 9Pin to USB 2.0 Converter Power by SATA 15pin w/full Profile Bracket Expansion Card - Newegg.com
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