By default, ports 0 through 7 are enabled on the Lenovo B300. LENOVO B300 FC 24-PORT 8Gb SFP SAN SWITCH W/ RAILS - 8 ACTIVE. 8x 8Gb FC SWL SFP+ transceiver. 1x Rail Kit. However, we do make sure you are always buying the exact model/part number that is advertised.
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