HP HIT-5526393-K - Device interface cable (L12C) - Connects DKC (disk controller) and DKU (disk array frame unit) - 2R-W4 to CU-B1, 2R-W3 to CU-A1 Retail
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-5526391-K - Device interface cable (R12C) - Connects DKC (disk controller) and DKU (disk array frame unit) - 2R-N4 to CU-B1, 2R-N3 to CU-A1 Retail
HP HIT-5526394-K - Device interface cable (EXC) - Connects one DKU (disk array frame unit) to another DKU - 1U/9U-A2 to 1U/9U-A1 Retail