![]() ![]() But if it is only the 1Rx8 and 2Rx8 in concern, they may be compatible with each other but it's best to check the motherboard manufacturer's list of compatible RAMs. So in short 1Rx8 PC3L 12800S and 2Rx0S RAMs are not compatible with each other. So PC3 and PC3L RAMs are not compatible with each other. On the other hand using a PC3L RAM in a PC3 RAM slot may damage it due to overvoltage. So using PC3 RAM in a PC3L RAM slot will not provide it sufficient voltage and it will fail to operate. 4th generation Intel processors will only work with DDR3L. Also since you have either a generation 2 or 3 processor, that makes it fine. So yes it should work fine in your system as long as your current RAM is DDR3. But you should go through the motherboard manufacturer's guide of supported RAM modules just to make sure if they are compatible or not.Ĭoming to the PC3 and PC3L part, PC3 RAMs requires an operating voltage of 1.5V whereas PC3L requires an operating voltage of 1.35V. As the post states DDR3 runs at 1.5v and DDR3L is dual voltage running at either 1.5v or 1.35. Higher the number of banks, the fewer the chips in the memory module, the better the reliability and power consumption.Ĭompatibility is generally not an issue in most cases. ![]() The x8 in them specifies the number of banks in the memory module. Rank is a data block which is 64 bits wide without Error Correction Code (ECC) created using some, or all of the memory chips on a module. 1Rx8 means it is a single-rank module and 2Rx8 means it is a dual-rank module module.
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