HP HIT-5526389-K - Device interface cable (R10C) - Connects DKC (disk controller) and DKU (disk array frame unit) - 2R-M4 to FC-4U-B1, 2R-M3 to FC-4U-A1 Retail
HP HIT-5526394-N - Device interface cable (EXC) - Connects one DKU (disk array frame unit) to another DKU - 4U/CU-A2 to 4U/CU-A1, 4U/CU-B2 to 4U/CU-B1 Retail
HP HIT-5526392-K - Device interface cable (L11C) - Connects DKC (disk controller) and DKU (disk array frame unit) - 2R-X4 to 4U-B1, 2R-X3 to 4U-A1 Retail
HP HIT-5526390-A - Device interface cable (R11C) - Connects DKC (disk controller) and DKU (disk array frame unit) - FC-0L-A2 to 0L-A1, FC-0L-B2 to 0L-B1 Retail
HP HIT-5526390-Q - Device interface cable (R11C) - Connects DKC (disk controller) and DKU (disk array frame unit) - FC-6U-A2 to 6U-A1, FC-6U-B2 to 6U-B1 Retail