1rx8 vs 2rx8

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1rx8 vs 2rx8

I have gone through your post and would like to help. Hope that answers your question and you have a great day! Have a great day! Yes, the memory-controller circuits on the motherboard are capable of using the "dual-channel" architecture, as well as operating two "unequal" sticks of RAM in "single-channel" mode. If you use two sticks of RAM that fulfill the requirements of operating in "dual-channel" mode, then dual-channel mode will be used. However, if the two sticks have differing capacity, e. If the speeds of the two sticks are different, but the capacity of the sticks are identical, the "faster" stick will run at the speed of the "slower" stick, and it will run in "dual-channel" mode. Thanks Itsmyname, ok but what about two identical sticks but with differing number of ranks? That's my original question!! In your answer you talk about "unequal sticks" and you give for example differing capacities or differing speed, etc So my original question is still "will these 2 sticks run in dual channel mode in my dual-channel compatible 2-RAM-slots Omen 30L?!!! I can't find info about this specific notion in the HP documents, and very rarely in other sources of info, and when I do, they are contradictory

They are not compatible with each other and can not be mixed. HP Recommended. Tags: hardware upgrade.

Connect and share knowledge within a single location that is structured and easy to search. 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. The x8 in them specifies the number of banks in the memory module. Higher the number of banks, the fewer the chips in the memory module, the better the reliability and power consumption. Compatibility is generally not an issue in most cases. But you should go through the motherboard manufacturer's guide of supported RAM modules just to make sure if they are compatible or not. 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.

I'm having a hard time finding infos online including HP product page about wether it is ok to mix 1Rx8 with 2Rx8 in Omen systems in particular, and also in general Moreover, most of the matching RAM sticks I found in online stores seem to be 1Rx8 , at least for "non-unavailable" single sticks not sold as a pair Maybe from another brand? Maybe matching the rank number 2Rx8 is more important than matching the brand? I know about the RAM speed that steps down to or something like that, because of the XMP thing being locked by HP, but that's another problem with its own solution! If your motherboard supports the higher-density "1Rx8" RAM, it should support the lower-density twice as many memory chips on the stick "2Rx8" RAM in a "mixed" environment.

1rx8 vs 2rx8

As such, a dual-rank memory module should be twice as wide in terms of bandwidth as a single-rank module. However, as a memory channel is just bit wide same as a single-rank module , the memory controller can only address one rank at a time. As you can expect, this should make dual-rank memory slower than traditional single-rank modules, even though they are denser. In truth though, the difference between the latency of single and dual-channel modules is hardly perceivable. This is due to the fact that dual-rank memory has a higher number of open rows pages , increasing the hit rate and therefore reducing the chance of a flush.

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Tom's Hardware is part of Future plc, an international media group and leading digital publisher. In general best performance is achieved by having identical chips. Yes, the memory-controller circuits on the motherboard are capable of using the "dual-channel" architecture, as well as operating two "unequal" sticks of RAM in "single-channel" mode. How many memory slots do you have? I do recommend running a memory test after RAM upgrades, though. Their DDR modules has to hold 16 and 4 of physical RAM chips soldered per 1 rank respectively to become a 64 bit wide memory. Click here for tips. RAM upgrade: single rank vs dual rank 1Rx8 vs 2Rx8? Wireless Networking. Improve this question. If the speeds of the two sticks are different, but the capacity of the sticks are identical, the "faster" stick will run at the speed of the "slower" stick, and it will run in "dual-channel" mode. What's new.

Have you ever wondered what those numbers and letters on your RAM modules mean? They are not just random codes, but they indicate the rank and channel of the memory module. Choosing the right RAM for your system can make a huge difference in performance, reliability, and cost.

I do recommend running a memory test after RAM upgrades, though. They also allow you to put in more memory because of the rank limitation of your chipset. Simply ask a new question if you would like to start the discussion again. Username88 Mar 4, Memory. However, if the two sticks have differing capacity, e. So can anyone please give me details what's the difference between 1Rx8 vs 2Rx8? If you have something to add, please add it as a comment. Connect and share knowledge within a single location that is structured and easy to search. It is a main PC system memory. Click here for tips. It has been a while since anyone has replied. Tags: hardware upgrade. Operating System: Microsoft Windows 10 bit.