Ram Slots Ddr3
Posted By admin On 14/07/22
2-Can i cross between DDR3 and DDR2 memory in the two slots, or do i have to keep the same type in each? - (and also, whats the difference between the two) Thank You. JMMD Posts: 840 +7. DDR3 RAM (Laptop) Crucial 8GB Single DDR3/DDR3L 1600 MT/S (PC3-12800) Unbuffered SODIMM 204-Pin Memory - CT102464BF160B: $75.99 $42.01: View on Amazon: DDR3 RAM (Laptop) Samsung original 8GB (1 x 8GB) 204-pin SODIMM, DDR3 PC3L-12800, 1600MHz ram memory module for laptops: $34.29 $25.97: View on Amazon: DDR3 RAM (Laptop) Vengeance Performance.
Compared to DDR2 memory, DDR3 memory uses less power. Some manufacturers further propose using 'dual-gate' transistors to reduce leakage of current. According to JEDEC,: 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. DDR i.e., Double Data Rate has two standards; DDR3 and DDR4. Here’s how you can check if your RAM type is DDR3 or DDR4. DDR3 And DDR4 Speeds DDR3 offers transfer or read/write speeds up to 2133 millions transfers/second while DDR4 offers transfer or read/write speeds up to 3200.
DDR3L modules are backwards compatible with DDR3 by design.
Manufacturers use the same integrated circuits for DDR3 and DDR3L. The highest quality ICs are tested for operating at 1.35 volts and are branded as DDR3L if they run properly. Other than that, there’s no difference between them.
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yes it is correct, that they should use the same Chips. So from a functionallity point of view it is really just the same compatibility issue as with DDR3 from one vendor to another vendor (or even just for one die shrink to the next die shrink).
JEDEC defines that the DIMM needs to be backward compatible. So if a JEDEC compliant DIMM is operating at 1.5V should be tested and verified from the vendor. But not too many DIMM vendors really state that the DIMM is JEDEC compliant.
E. g. I have seen DIMMs with devices not supporting specific CL that they would need to support to be JEDEC compliant ..
And in this case thre is no need that the DIMM really is backward compatible (even if it is just a question of Speed, or reliability over time).
Even standard DIMMs are theoretically interchangable, there are many compatibility issues between motherboard, controller and DIMM out there .. and DDR3L will not make it better ..
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Guess thats the usual difference between theory and praxis ..
and so I prefer to look at the DIMM spec and at least verify that the 1.5V is a supported voltage on a DDR3L DIMM if I intend to use it in a DDR3 System…
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Short for double data rate three, DDR3 is a type of DRAM (dynamic random-access memory) released in June 2007 as the successor to DDR2. DDR3 chips have bus clock speed of 400 MHz up to 1066 MHz, range in size from 1 to 24 GB, and consume nearly 30% less power than their predecessors. DDR3 RAM sticks for a desktop computer have 240 pins. For a laptop computer, DDR3 RAM sticks have 204 pins.
These memory chips can only be installed on a motherboard that supports DDR3 memory and are not backward compatible with DDR2 memory slots.
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Related pages
Computer abbreviations, DDR, DDR2, DDR4, GDDR, Memory, Memory terms