IBM System x3650 M4 BD Product Manual

Also see for System x3650 M4 Type 7915: Installation and user guide Problem determination and service guide Product guide Specifications Product guide

Contents

IBM System x3650 M4 BD Product Guide 11The following table (Parts 1 and 2) shows the characteristics of the supported DIMMs. Tables cells thatare highlighted with a gray background indicate when the combination of DIMM voltage and the number ofDIMMs per channel still allows the DIMMs to operate at a rated speed.Table 5. Maximum memory speeds (Part 1: RDIMMs)DIMM specification RDIMMRank Single rank Dual rankPart numbers 00D5024 (4 GB)00D5036 (8 GB)00D5020 (4 GB)00D5032 (8 GB)00D5044 (8 GB)46W0672 (16 GB)00D5048 (16 GB)Rated speed 1600 MHz 1866 MHz 1600 MHz 1866 MHzRated voltage 1.35 V 1.5 V 1.35 V 1.5 VOperating voltage 1.35 V 1.5 V 1.5 V 1.35 V 1.5 V 1.5 VMax qty supported* 16 16 16 16 16 16Max DIMM capacity 8 GB 8 GB 8 GB 16 GB 16 GB 16 GBMax memory capacity 128 GB 128 GB 128 GB 256 GB 256 GB 256 GBMax. memory at ratedspeedNone** 128 GB 64 GB None** 256 GB 256 GBMaximum operating speed1 DIMM per channel 1333 MHz 1600 MHz 1866 MHz 1333 MHz 1600 MHz 1866 MHz2 DIMMs per channel 1333 MHz 1600 MHz 1600 MHz 1333 MHz 1600 MHz 1866 MHz* The maximum quantity that is supported is shown for two processors installed.** Rated speed is not supported. Memory DIMMs always operate at speeds lower than rated.Table 5. Maximum memory speeds (Part 2: UDIMMs and LRDIMMs)DIMM specification UDIMM LRDIMMRank Dual rank Quad rankPart number 00D5016 (8 GB) 46W0761 (32 GB)Rated speed 1600 MHz 1866 MHzRated voltage 1.35 V 1.5 VOperating voltage 1.35 V 1.5 V 1.5 VMax. qty supported* 16 16 16Max. DIMM capacity 8 GB 8 GB 32 GBMax. memory capacity 128 GB 128 GB 512 GBMax. memory at rated speed None** 128 GB 256 GBMaximum operating speed1 DIMM per channel 1333 MHz 1600 MHz 1866 MHz2 DIMMs per channel 1333 MHz 1600 MHz 1600 MHz* Maximum quantity that is supported is shown for two processors installed.** Rated speed is not supported. Memory DIMMs always operate at speeds lower than rated.