CP-HDD-S-KIT 3U CompactPCI Carrier KIT for 2.5” HDD/SSD In more and more CompactPCI system applications storage solutions are needed. The CP-HDD-S-KIT offers such a flexible solution. It consists of one or two carrier boards plus a special designed backplane. The versatile design allows the CP-HDD-S-KIT to be installed in all 19” enclosures, regardless of whether 3U or 6U CompactPCI.