วิธีการใส่แรม Dell PowerEdge R820

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Dell PowerEdge R820

System Memory

Your system supports DDR3 unbuffered ECC DIMMs (ECC UDIMMs), registeredDIMMs (RDIMMs), and load reduced DIMMs (LRDIMMs). It supports DDR3 and DDR3L voltage specifications.

NOTE[b]: MT/s indicates DIMM speed in MegaTransfers per second.Memory bus operating frequency can be either 800 MT/s, 1066 MT/s , 1333 MT/s, or 1600 MT/s depending on the:
• DIMM type (UDIMM, RDIMM, or LRDIMM)
• DIMM configuration (number of ranks)
• Maximum frequency of the DIMMs
• Number of DIMMs populated per channel
• DIMM operating voltage
• System profile selected (for example, Performance Optimized, Custom, or Dense Configuration Optimized)
• Maximum supported DIMM frequency of the processors

The system contains 48 memory sockets split into four sets of 12 sockets, one set per processor. Each 12-socket set is organized into four channels. In each channel, the release levers of the first socket are marked white, the second socket black, and the third socket green.

[b]NOTE: DIMMs in sockets A1 to A12 are assigned to processor 1, B1 to B12 to processor 2, C1 to C12 to processor 3, and D1 to D12 to processor 4.