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  2. Multi-channel memory architecture - Wikipedia

    en.wikipedia.org/wiki/Multi-channel_memory...

    Dual-channel memory slots, color-coded orange and yellow for this particular motherboard. Dual-channel-enabled memory controllers in a PC system architecture use two 64-bit data channels. Dual-channel should not be confused with double data rate (DDR), in which data exchange happens twice per DRAM clock. The two technologies are independent of ...

  3. DIMM - Wikipedia

    en.wikipedia.org/wiki/DIMM

    A DIMM (Dual In-Line Memory Module) is a popular type of memory module used in computers. It is a printed circuit board with one or both sides (front and back) holding DRAM chips and pins . [ 1 ] The vast majority of DIMMs are manufactured in compliance with JEDEC memory standards , although there are proprietary DIMMs.

  4. RDRAM - Wikipedia

    en.wikipedia.org/wiki/RDRAM

    Moreover, if a mainboard has a dual-or quad-channel memory subsystem, all of the memory channels must be upgraded simultaneously. 16-bit modules provide one channel of memory, while 32-bit modules provide two channels. Therefore, a dual-channel mainboard accepting 16-bit modules must have RIMMs added or removed in pairs.

  5. Memory rank - Wikipedia

    en.wikipedia.org/wiki/Memory_rank

    There is only a little difference between a dual rank UDIMM and two single-rank UDIMMs in the same memory channel, other than that the DRAMs reside on different PCBs. The electrical connections between the memory controller and the DRAMs are almost identical (with the possible exception of which chip selects go to which ranks). Increasing the ...

  6. Memory controller - Wikipedia

    en.wikipedia.org/wiki/Memory_controller

    A memory controller, also known as memory chip controller (MCC) or a memory controller unit (MCU), is a digital circuit that manages the flow of data going to and from a computer's main memory. [ 1 ] [ 2 ] When a memory controller is integrated into another chip, such as an integral part of a microprocessor , it is usually called an integrated ...

  7. Non-uniform memory access - Wikipedia

    en.wikipedia.org/wiki/Non-uniform_memory_access

    Non-uniform memory access (NUMA) is a computer memory design used in multiprocessing, where the memory access time depends on the memory location relative to the processor. Under NUMA, a processor can access its own local memory faster than non-local memory (memory local to another processor or memory shared between processors). [ 1 ]

  8. DDR SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR_SDRAM

    DDR memory bus width per channel is 64 bits (72 for ECC memory). Total module bit width is a product of bits per chip and number of chips. It also equals number of ranks (rows) multiplied by DDR memory bus width. Consequently, a module with a greater number of chips or using ×8 chips instead of ×4 will have more ranks.

  9. Talk:Multi-channel memory architecture - Wikipedia

    en.wikipedia.org/wiki/Talk:Multi-channel_memory...

    Dual-channel OTOH is a marketing buzzword which means the system can read from two modules faster than from a single one. Note the use of the word "channel" rather than an actual meaningful word. For example, dual-channel would describe a 2-way interleaved system as well as an early dual CPU Opteron which had two completely separate memory buses.