All IBM iSeries Memory include warranty. If your not sure what iSeries memory your 8205-E6B system needs, please contact us for assistance. View other Power Model iSeries Memory here or older IBM 9406 AS400 Memory here. The IBM i Series Power7 Model 740 supports a maximum of 256 GB of Memory via 32 DDR3 DIMM slots, with 8 DIMM slots included in the base configuration and 24 DIMM slots available with three optional memory riser cards. Memory features (two memory DIMMs per feature) supported are 8 GB and 16 GB running at speeds of 1066 MHz.