HPE Ethernet 1Gb 4-port 331T Adapter. This item, 647594-B21, is the HPE option part number for the product described as Ethernet 1Gb 4-port 331T Adapter. Model: 331T. Data rate 1Gb. Cable Type: Ethernet 1000Base-T, Ethernet 100Base-TX, Ethernet 10Base-T.
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