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2. DDR5 SDRAM - Wikipedia

   en.wikipedia.org/wiki/DDR5_SDRAM

   Rambus announced a working DDR5 dual in-line memory module (DIMM) in September 2017. [9] [10] On November 15, 2018, SK Hynix announced completion of its first DDR5 RAM chip; running at 5.2 GT/s at 1.1 V. [11] In February 2019, SK Hynix announced a 6.4 GT/s chip, the highest speed specified by the preliminary DDR5 standard. [12]

3. GDDR5 SDRAM - Wikipedia

   en.wikipedia.org/wiki/GDDR5_SDRAM

   The new chip can work at up to 7 GHz effective clock-speed and will be used in graphics cards and other high bandwidth memory applications. [15] "4 Gb" (4 × 1024 3 bit) GDDR5 components became available in the third quarter of 2013. Initially released by Hynix, Micron Technology quickly followed up with their implementation releasing in 2014.

4. Raptor Lake - Wikipedia

   en.wikipedia.org/wiki/Raptor_Lake

   All models support up to 128 GB of RAM and up to 256 GB of DDR5 RAM after a BIOS upgrade. All models support DDR4 and DDR5 in dual-channel mode. [b] All models support up to DDR4-3200 or DDR5-4800. The i5-13600 (K/KF/T) and all models above it support DDR5 speeds up to 5600 MT/s with max 2 DIMMs slotted, 4400 MT/s if 4 DIMMs are slotted.

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.

6. Memory timings - Wikipedia

   en.wikipedia.org/wiki/Memory_timings

   The BIOS on a PC may allow the user to manually make timing adjustments in an effort to increase performance (with possible risk of decreased stability) or, in some cases, to increase stability (by using suggested timings). [clarification needed] DDR5 introduced support for FGR (fine granular refresh), with its own tRFC2 and tRFC4 timings. [1]

7. Table of AMD processors - Wikipedia

   en.wikipedia.org/wiki/Table_of_AMD_processors

   Dual-channel DDR5: November 2022 Genoa EPYC 9004 series 16/24/32/48/64/84/96 2250–4100 (3700–4400 boost) 32.0 GT/s PCIe 64–384 MB (32 MB per CCD/CCX) Socket SP5: Dodeca-channel DDR5: Architecture Fabrication Family Release Date Code Name Model Group Cores SMT Clock rate Bus Speed & Type [a] L1 L2 L3 Socket Memory Controller SIMD Speed ...

8. Registered memory - Wikipedia

   en.wikipedia.org/wiki/Registered_memory

   A high-capacity DIMM might have numerous memory chips, each of which must receive the memory address, and their combined input capacitance limits the speed at which the memory bus can operate. By redistributing the command and address signals within the R-DIMM, this allows more chips to be connected to the memory bus. [ 7 ]

9. Multi-channel memory architecture - Wikipedia

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

   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 each other, and many motherboards use both by using DDR memory in a dual-channel ...