IBM - 49Y5949 - Expansion Module SAS EXP2512 EXP2524 49Y5949 - IBM - Expansion SAS Module (ESM) for EXP2512 and EXP2524 $110.70 $90.00
IBM - 85Y5850 - Expansion Canister ESM Controller Storwize V7000 85Y5850 - IBM - Expansion Canister ESM Controller for Storwize V7000 $55.27 $44.94
IBM - 41Y5148 - Storage Controller Module EXP810 ESM 41Y5148 - IBM - EXP810 ESM Controller Module $92.98 $75.60