IBM System x3650 M4 23Table 6. Memory options (Part 2: Intel Xeon processor E5-2600 product family)PartnumberFeaturecodeDescription MaximumsupportedStandardmodelswhere usedUDIMMs49Y1404 8648 4GB (1x4GB, 2Rx8, 1.35V) PC3L-10600 CL9 ECC1333MHz LP UDIMM16 (8 per CPU) -RDIMMs - 1333 MHz and 1066 MHz49Y1405 8940 2GB (1x2GB, 1Rx8, 1.35V) PC3L-10600 CL9 ECCDDR3 1333MHz LP RDIMM24 (12 per CPU) -49Y1406 8941 4GB (1x4GB, 1Rx4, 1.35V) PC3L-10600 CL9 ECCDDR3 1333MHz LP RDIMM24 (12 per CPU) A2x, B2x49Y1407 8942 4GB (1x4GB, 2Rx8, 1.35V) PC3L-10600 CL9 ECCDDR3 1333MHz LP RDIMM24 (12 per CPU) -49Y1397 8923 8GB (1x8GB, 2Rx4, 1.35V) PC3L-10600 CL9 ECC1333MHz LP RDIMM24 (12 per CPU) C2x, C4x, D2x,F2x49Y1399 A14E 8GB (1x8GB, 4Rx8, 1.35V) PC3L-8500 CL7 ECCDDR3 1066MHz LP RDIMM16 (8 per CPU) -49Y1563 A1QT 16GB (1x16GB, 2Rx4, 1.35V) PC3L-10600 CL9 ECCDDR3 1333MHz LP RDIMM24 (12 per CPU) -RDIMMs - 1600 MHz49Y1559 A28Z 4GB (1x4GB, 1Rx4, 1.5V) PC3-12800 CL11 ECCDDR3 1600MHz LP RDIMM24 (12 per CPU) 32x, M2x90Y3178 A24L 4GB (1x4GB, 2Rx8, 1.5V) PC3-12800 CL11 ECCDDR3 1600MHz LP RDIMM24 (12 per CPU) -90Y3109 A292 8GB (1x 8GB, 2Rx4,1.5V) PC3-12800 DDR3-1600LP RDIMM24 (12 per CPU) 52x, 62x, G2x,H2x, J2x, L2x,GSx00D4968 A2U5 16GB (1x16GB, 2Rx4, 1.5V) PC3-12800 CL11 ECCDDR3 1600MHz LP RDIMM24 (12 per CPU) -LRDIMMs90Y3105 A291 32GB (1x32GB, 4Rx4, 1.35V) PC3L-10600 CL9 ECCDDR3 1333MHz LP LRDIMM24 (12 per CPU) -HyperCloud DIMMs00D4964 A2R1 16GB (1x16GB, 2Rx4, 1.5V) PC3-10600 1333MHzLP HyperCloud DIMM24 (12 per CPU) -00D5004 A3EJ 32GB (1x32GB, 1.5V) PC3-8500 CL7 ECC DDR31066MHz LP HyperCloud DIMM24 (12 per CPU) -46W0767*A4RE 32GB (1x32GB,1.35V) PC3L-10600 CL9 ECC DDR31333MHz LP HyperCloud DIMM24 (12 per CPU) -* Support is planned for later in 2013.