Dell PowerEdge R920 Dell PowerEdge R920 System Owners Manual - Page 41
Operating Frequency in MT/s, Maximum DIMM Rank
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Processor 3 Processor 4 channel 0: slots E1, E5, and E9 channel 1: slots E2, E6, and E10 channel 2: slots E3, E7, and E11 channel 3: slots E4, E8, and E12 channel 0: slots F1, F5, and F9 channel 1: slots F2, F6, and F10 channel 2: slots F3, F7, and F11 channel 3: slots F4, F8, and F12 channel 0: slots G1, G5, and G9 channel 1: slots G2, G6, and G10 channel 2: slots G3, G7, and G11 channel 3: slots G4, G8, and G12 channel 0: slots H1, H5, and H9 channel 1: slots H2, H6, and H10 channel 2: slots H3, H7, and H11 channel 3: slots H4, H8, and H12 The following table shows the memory populations and operating frequencies for the supported configurations (Performance Mode (2:1)). DIMM Type RDIMM LRDIMM DIMMs DIMM Size Populated/ Channel (DPC) 1 4 GB 2 8 GB 3 16 GB 1 32 GB / 64 GB 2 32 GB / 64 GB 3 32 GB / 64 GB Operating Frequency (in MT/s) DDR3 (1.5 V) 1333 and 1066 1333 1066 1333 and 1066 1333 and 1066 1333 and 1066 DDR3 (1.35 V) 1333 and 1066 1066 Not Applicable 1333 1333 Not Applicable Maximum DIMM Rank/ Channel Quad rank Dual rank Dual rank Quad rank physical Quad rank physical Quad rank physical The following table shows the memory populations and operating frequencies for the supported configurations (Lock Step Mode (1:1)). DIMM Type DIMMs DIMM Size Populated/ Channel (DPC) Operating Frequency (in MT/s) DDR3 (1.5 V) DDR3 (1.35 V) Maximum DIMM Rank/ Channel RDIMM 1 4 GB 1600 1333 and 1066 Quad rank 2 8 GB 1333 1066 Dual rank 41
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