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Expander Port Connection Information for Intel® RAID Expander RES2SV240


Last Reviewed: 02-Mar-2016
Article ID: 000007428

The Intel® RAID Expander RES2SV240 has 24 ports through six SFF-8087 connectors. The ports of the Intel RAID Expander RES2SV240 are like network switches, with some limitations.

  • You can connect one of the SFF-8087 ports from a RAID controller to the Intel RAID Expander RES2SV240. The remaining 20 (five SFF-8087 ports) are available to connect to disk drives, backplanes, or expanders.
  • Another option is to connect two SFF-8087 ports from a RAID controller to the Intel RAID Expander RES2SV240. The remaining 16 (four SFF-8087 ports) are available to connect to disk drives, backplanes, or expanders.

Intel® RAID Controller individual ports act as waterfall-type connections. If you are transferring less than 6 Gb (theoretical) from the controller to the Intel RAID Expander RES2SV240, you only use one port. If you are transferring more than 6 Gb, other ports must enable the required throughput.

For most situations, using the two SFF-8087 ports from a RAID controller to the Intel RAID Expander RES2SV240 is more than what an average situation requires. In theory, up to 64 Gb/s data transfer (eight ports x 8 Gb/s).

For more information, see the Intel RAID Expander RES2SV240 Hardware User Guide.

This article applies to: