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2. DDR3 SDRAM - Wikipedia

   en.wikipedia.org/wiki/DDR3_SDRAM

   Compared to DDR2 memory, DDR3 memory uses less power. Some manufacturers further propose using "dual-gate" transistors to reduce leakage of current. [10]According to JEDEC, [11]: 111 1.575 volts should be considered the absolute maximum when memory stability is the foremost consideration, such as in servers or other mission-critical devices.

3. DDR SDRAM - Wikipedia

   en.wikipedia.org/wiki/DDR_SDRAM

   Double Data Rate Synchronous Dynamic Random-Access Memory (DDR SDRAM) is a double data rate (DDR) synchronous dynamic random-access memory (SDRAM) class of memory integrated circuits used in computers. DDR SDRAM, also retroactively called DDR1 SDRAM, has been superseded by DDR2 SDRAM, DDR3 SDRAM, DDR4 SDRAM and DDR5 SDRAM.

4. Synchronous dynamic random-access memory - Wikipedia

   en.wikipedia.org/wiki/Synchronous_dynamic_random...

   DDR3 memory chips are being made commercially, [11] and computer systems using them were available from the second half of 2007, [12] with significant usage from 2008 onwards. [13] Initial clock rates were 400 and 533 MHz, which are described as DDR3-800 and DDR3-1066 (PC3-6400 and PC3-8500 modules), but 667 and 800 MHz, described as DDR3-1333 ...

5. GDDR3 SDRAM - Wikipedia

   en.wikipedia.org/wiki/GDDR3_SDRAM

   To improve throughput, GDDR3 memory transfers 4 bits of data per pin in 2 clock cycles. The GDDR3 interface transfers two 32 bit wide data words per clock cycle from the I/O pins. Corresponding to the 4n-prefetch a single write or read access consists of a 128 bit wide, one-clock-cycle data transfer at the internal memory core and four ...

6. Multi-channel memory architecture - Wikipedia

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

   AMD processors for the C32 platform and Intel processors for the LGA 1155 platform (e.g. Intel Z68) use dual-channel DDR3 memory instead. The architecture can be used only when all four memory modules (or a multiple of four) are identical in capacity and speed, and are placed in quad-channel slots.

7. Memory timings - Wikipedia

   en.wikipedia.org/wiki/Memory_timings

   For example, DDR3-2000 memory has a 1000 MHz clock frequency, which yields a 1 ns clock cycle. With this 1 ns clock, a CAS latency of 7 gives an absolute CAS latency of 7 ns. Faster DDR3-2666 memory (with a 1333 MHz clock, or 0.75 ns exactly; the 1333 is rounded) may have a larger CAS latency of 9, but at a clock frequency of 1333 MHz the ...