Memory
DDR2 Memory
DDR2 succeeded DDR SDRAM with higher effective transfer rates and lower signaling voltage. Cover DIMM and SO-DIMM forms, ECC vs non-ECC, common speeds and platform compatibility.
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Memory
DDR3 Memory
DDR3 expanded bandwidth while reducing voltage versus DDR2 and became a dominant desktop, notebook, workstation and server memory standard.
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DDR4 Memory
DDR4 increased density and bandwidth and became the mainstream memory generation for PCs and servers across much of the late 2010s and early 2020s.
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DDR5 Memory
DDR5 introduces higher transfer rates, on-module power management and dual subchannels per DIMM, supporting current desktop, workstation and server platforms.
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