The Hitachi Data Systems feature code for this feature is DKC-F610i-S4G.P, which is made up of four sticks of 1GB memory, as shown by the part number below.
1GB Memory DIMM for USP-V Shared Memory Adapter 5529260-A
The HP Feature code for this shared memory is AE153A.
Shared memory facilitates communications between two separate controllers within one Storage Area Network.
Note: the price below is for four sticks of memory, part #5529260-A, which comprise the DKC-F610i-S4G.P Shared memory feature.