IBM System x3550 M4 7914 E5-2600 v2 Memory

System Info

  • Total Slots: 24
  • Min. Memory: 4GB (1 x 4GB)
  • Max. Memory: 768GB (24 x 32GB LRDIMMs); 384GB (24 x 16GB RDIMMs); 64GB (16 x 4GB UDIMMs)


The server supports up to 12 DIMMs when one processor is installed, and up to 24 DIMMs when two processors are installed. Each processor has four memory channels, and there are three DIMMs per channel. Mixing of different memory types (UDIMMs, RDIMMs, and LRDIMMs) is not supported. Mixing 1.5V and 1.35V DIMMs in the same server is supported however all DIMMs will operate at 1.5V. Note: Quad-Rank Load Reduced DIMMs (LRDIMMs) present themselves electrically as a Single-Rank DIMM.

Compatible Parts


16GB (1 slot occupied)
IBM Product Number: 00D5048
(1 x 16GB DIMM)
DDR3-1866, PC3-14900, Registered, ECC, 1.5V, 240-pin, 2 Ranks

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32GB (1 slot occupied)
IBM Product Number: 46W0761
(1 x 32GB LRDIMM)
DDR3-1866, PC3-14900L, Load Reduced, ECC, 1.5V, 240-pin, 4 Ranks

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