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  2. DDR4 SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR4_SDRAM

    The first DDR4 memory module prototype was manufactured by Samsung and announced in January 2011. [a] Physical comparison of DDR, DDR2, DDR3, and DDR4 SDRAM Front and back of 8 GB [1] DDR4 memory modules. 2005: Standards body JEDEC began working on a successor to DDR3 around 2005, [14] about 2 years before the launch of DDR3 in 2007.

  3. Random-access memory - Wikipedia

    en.wikipedia.org/wiki/Random-access_memory

    A 64 bit memory chip die, the SP95 Phase 2 buffer memory produced at IBM mid-1960s, versus memory core iron rings 8GB DDR3 RAM stick with a white heatsink. Random-access memory (RAM; / r æ m /) is a form of electronic computer memory that can be read and changed in any order, typically used to store working data and machine code.

  4. HP ZBook - Wikipedia

    en.wikipedia.org/wiki/HP_ZBook

    MXM slot, optional NVIDIA GeForce RTX 2070 Max-Q (8 GB GDDR6) or GeForce RTX 2070 SUPER MaxQ (8 GB GDDR6) or GeForce RTX 2080 SUPER Max-Q (8 GB GDDR6) 256 GB up to 4 TB PCIe NVMe M.2 SSD Intel Wi-Fi 6 AX201 (2x2) and Bluetooth 5 combo: 15.6" IPS, 400nits, FHD (1920 × 1080) IPS, HP Sure View, 1000nits, FHD (1920 × 1080)

  5. Double data rate - Wikipedia

    en.wikipedia.org/wiki/Double_data_rate

    DDR SDRAM operating with a 100 MHz clock is called DDR-200 (after its 200 MT/s data transfer rate), and a 64-bit (8-byte) wide DIMM operated at that data rate is called PC-1600, after its 1600 MB/s peak (theoretical) bandwidth. Likewise, 12.8 GB/s transfer rate DDR3-1600 is called PC3-12800. Some examples of popular designations of DDR modules:

  6. DDR3 SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR3_SDRAM

    With data being transferred 64 bits at a time per memory module, DDR3 SDRAM gives a transfer rate of (memory clock rate) × 4 (for bus clock multiplier) × 2 (for data rate) × 64 (number of bits transferred) / 8 (number of bits in a byte). Thus with a memory clock frequency of 100 MHz, DDR3 SDRAM gives a maximum transfer rate of 6400 MB/s.

  7. 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 ...