HP HIT-5526390-E - Device interface cable (R11C) - Connects DKC (disk controller) and DKU (disk array frame unit) - FC-2L-A2 to 2L-A1, FC-2L-B2 to 2L-B1 Retail
HP HIT-5526394-D - Device interface cable (EXC) - Connects one DKU (disk array frame unit) to another DKU - 3L/BL-A2 to 3L/BL-A1 Retail
HP HIT-5526394-R - Device interface cable (EXC) - Connects one DKU (disk array frame unit) to another DKU - 7U/FU-A2 to 7U/FU-A1 Retail
HP HIT-5526394-F - Device interface cable (EXC) - Connects one DKU (disk array frame unit) to another DKU - 5L/DL-A2 to 5L/DL-A1 Retail
HP HIT-5526394-M - Device interface cable (EXC) - Connects one DKU (disk array frame unit) to another DKU - 3U/BU-A2 to 3U/BU-A1 Retail