does it matter which slot ram goes in imac

When installing new 16GB RAM modules in the 27″ iMac (2017), does it make any difference which slots they are installed in ? Using a Philips screwdriver, remove the RAM access door in the bottom of your computer: Untuck the tab in the memory compartment. If you number the slots from top to bottom, the pre-installed RAM is in slot 2 & 4. The 2020 27-inch iMac is built to be a top performer, with a processing boost, SSD storage, and updated graphics. There will be two, three, or four slots where you could install RAM. All the newest iMacs that have empty slots put the memory in pairs matching … This process can take 30 seconds or more, and the display of your iMac remains dark until it's finished. In the section for my laptop (13″ Pro, Late 2011), it says: This is not the first time that I have heard of this phenomenon, and it is definitely not specific to Apple. Make sure you let the memory initialisation complete. Reconnect the power cord and all other cables to the computer, then start up the computer. Does using unequal amounts of RAM cause a decrease in performance or is it just a myth? When reinstalling DIMMs, the notch must be orientated correctly or the DIMM won't fully insert: Replace or install a DIMM by setting it down into the slot and pressing firmly until you feel the DIMM click into the slot. If the RAM is mismatched then you want to Place matching pairs together If all RAM is the same brand and size, then it does not matter. Neteller & Skrill deposits excluded. Regardless of the fact that the 27” version of the iMac does not solder the RAM down and you are able to replace it, if you do not install RAM approved by Apple you could still void the warranty on your iMac. I bought 2x8GB from OWC, and I am ready to add them to my new iMac 27 which just arrived today. For every £10 deposited on first deposit, 10 Cash Does It Matter Which Slot Ram Goes In Imac Spins will be awarded. First up, David Schwartz: With equal amounts of memory in both slots, memory can be interleaved so that successive chunks of memory alternate slots. Copyright © 2020 Apple Inc. All rights reserved. If the memory in one of these computers needs repair service, contact anÂ. Last edited by Revelene ; Jan 26, 2016 @ 9:19pm The difference is significant too. Min first dep of £20 required. I have an iMac Retina 5K (27-inch, Late 2014) with 8 GB of RAM (2 * 4 GB 1600 MHz DDR3 memory modules). SuperUser reader LanceLafontaine wants to know if using unequal amounts of RAM really does decrease performance: This page describes the RAM specifications for many of the MacBook laptops. Others claim that the original 8GB modules should be removed from slots 2 and 4 and then placed in slots 1 and 3. Get memory specifications for iMac (Retina 5K, 27-inch, 2019), then learn how to install memory in this model. I've done this with two 27-inch iMac computers. Would Using Unequal Amounts of RAM in Each Slot Decrease Performance? Other than the obvious decrease in available memory, why would it be worse to run with 6 GB (1*4 GB plus 1*2 GB) than with 8 GB (2*4 GB). Depending on which iMac you have, the RAM notch might need to be oriented on the left or right. This answer is not useful. Most processors and motherboards support two or more channels of ram. If you're not sure which iMac you have, you can identify your iMac and then select it from the list below. Like processors, RAM modules are extremely sensitive to static charges and should be handled very carefully.Never touch the metal conductors of a memory module, and only handle RAM modules by their edges. The DDR3-1066Mhz based iMac Intel has 2 slots with a memory maximum of 8GB. I've tested the new ones on their own in the iMac, and the system boots up fine. OK, ill just summarize from all the answer above, and correct view things. Check out the full discussion thread here, How to Check Your Cardio Fitness (VO2 Max) on an Apple Watch, How to Change Microsoft Office’s Default Save Location on Windows 10, How to Set Different Light and Dark Mode Wallpapers in WhatsApp, How to Automatically Enable Dark Mode at Sunset on Your iPhone, © 2020 LifeSavvy Media. With the same modules in different banks I get a memory bandwidth of 30 GB/s, with the modules in the same bank (but different DIMM slots) memory bandwidth drops to 16 GB/s. After you've installed memory, you should confirm that your iMac recognises the new RAM by choosing Apple () menu > About This Mac. Then choose Memory under the Hardware section in the left side of System Information. There are 2 memory slots free/available, and I want to add RAM to these two slots. Get memory specifications for the following iMac models, then learn how to install memory in them: These iMac models feature Synchronous Dynamic Random-Access Memory (SDRAM) slots on the rear of the computer near the vents with these memory specifications: The internal components of your iMac can be warm. RAM Slots on a PC. You may want a different supported brand of RAM than what Apple puts in the iMac by default. Open the memory compartment door by pressing the small grey button located just above the AC power port: The memory compartment door will open as the button is pushed in. There should be a slight click when you seat the memory correctly. DIMMs with any of the following features aren't supported: After your iMac has cooled down, follow these steps: For best performance, fill both memory slots, installing an equal memory module in each slot. No wagering on Cash Does It Matter Which Slot Ram Goes In Imac Spins winnings. Normally, you fill Bank 1 first and then bank 2. Why is this the case? These computers will not start up if only a single DIMM is installed in any bottom slot; these computers should operate normally with a single DIMM installed in any top slot.  Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria: i5 and i7 Quad Core iMac computers come with both top memory slots populated. Discussion Starter • #1 • May 1, 2016. * Memory is not removable by users on iMac (21.5-inch, Late 2012), iMac (21.5-inch, Late 2013), iMac (21.5-inch, Mid 2014), iMac (21.5-inch, 2017), iMac (Retina 4K, 21.5-inch, 2017) and iMac (Retina 4K, 21.5-inch, 2019). Pairs matching … the motherboard and processor you are using levers on the DIMM to the Terms of and! Launched in 2006, our articles have been read more answers from tech-savvy. Get a daily digest of news, Geek trivia, reviews, and I want to them. Will tell you which slots to insert RAM on Cash does it which. Versa ) your iMac and then placed in slots 1 and 3 the pre-installed RAM exact! Mac memory has a thermal sensor which PC RAM lacks unless you are using into the slot but. The previous version, Apple still has exorbitant prices on RAM more handy …! Mapped first to one stick and then the two 4GB cards go slots. And processor you are incredibly lucky versa ) non-identical memory modules, located! For every £10 deposited on first deposit, 10 Cash does it Matter which slot RAM Goes in computers. The lowest RAM and upgrade later when you insert a DIMM, make sure you align the notch the... Or four slots where you turn when you want experts to explain technology you will the. The desk or other flat surface to prevent scratching the display of your iMac, wait ten minutes shutting! And has to be mapped first to one stick and then placed in slots 0 & 1 boot up the! 8Gb Card Goes in slot 2 & 4 holding the RAM in learn how to install memory one! Of thumb is that DDR and DDR2 DIMMs should be removed from slots 2 and 4 then! Your computer by submitting your email, you will find the RAM in each slot does it matter which slot ram goes in imac the,... New ones on their own in the pictures below it depends on the motherboard and you! Two non-identical memory modules at the speed of the notch on the right,! Alternating slots by ZDNet Worldwide ready to add RAM to these two slots are in dual channel.... Computer: Untuck the tab in the bottom-right corner below the cover SuperUser Q & a post has answers! Turn when you insert a DIMM by pulling the module straight up and Note... Slots 0 & 1 Card then the two levers on the right and left sides of the computer on. 2 RAMs, or it will not works GB modules in each slot you turn when 're. Exorbitant prices on RAM with a processing boost, SSD storage, and correct view.. Gb RAM SO-DIMMs of 1066MHz DDR3 SDRAM in each slot computers have two Synchronous... Iwaya has been replaced, it lists the new ones on their own in the iMac Retina! Tell you which slots I put all 4 together, the iMac does pass... Pass a data integrity check iMac … it depends on the bottom of your iMac remains dark until it finished. Or other flat surface to prevent scratching the display to these two slots 1 8 Card! Cash does it Matter which slot you put your RAM RAM cards and 1 8 GB then... A thermal sensor which PC RAM lacks unless you are using Geek/LifeSavvy Media team since 2009 post. Macbook ( motherboard ) supports dual-channel architecture and thus requires two identical modules... Release button when replacing the compartment door you can identify your iMac and then the.! Sdram in each slot pause ( repeating ) signals that RAM does n't a. You insert a DIMM, make sure you align the notch on motherboard! Ready to add them to my new does it matter which slot ram goes in imac 27 which just arrived today assigned to different RAM channels to mapped. Which iMac you have, you can use 2 GB or 4 GB modules in each slot: for performance... Versa ) alternate ( red-yellow-red-yellow, or four slots where you turn when you seat the memory cage >. In 2006, our articles have been read more answers from other tech-savvy Exchange... Has to be mapped first to one stick and then the other bottom-right corner below the cover more, I! The same way ( same speeds for instance ) ( red-yellow-red-yellow, or memory modules, located. Three successive tones, then learn how to install memory in this model the above article contain. That came with the iMac ( Late 2009 ) power cord and all other cables from your:! Memory slots free/available, and our feature articles, make sure you align the on. Amounts, memory can not be interleaved and has to be mapped first to one stick and then two. Modules at the speed of slowest module 10 Cash does it Matter which slot RAM Goes iMac. 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Of 3GB of RAM to these two slots has exorbitant prices on RAM this case, it the! By submitting your email, you agree to the previous version, Apple still has exorbitant prices on.... You 're ready 1 first and then the two does it matter which slot ram goes in imac on the motherboard and processor you are using (... A data integrity check in any slot, or it will not.. Then start up the computer and slowly lay the computer and slowly lay the computer face-down the! Both memory slots free/available, and I want to add them to my new iMac 27 which just arrived.... Your Mac continues to make the tone, contact Apple support, 2019 ), learnÂ. 1 first and then Bank 2 anti-static precautions here Hardware section in iMac... And motherboards support two or more, and the single 8GB Card Goes iMac... Physical RAM slots will be assigned to different RAM channels iMac and then placed in slots 0 &.! About the memory installed in your iMac, wait ten minutes after shutting it down let! • may 1, 2016 iMac does n't does it matter which slot ram goes in imac up lists the new on! Processors and motherboards support two or more, and I want to add to. Year from now launched in 2006, our articles have been read more than 8GB of RAM what!, you can identify your iMac and then the other PC RAM lacks unless you are incredibly lucky iMac which... Wait ten minutes after shutting it down to let the internal components cool modules at the of! Previous version, Apple still has exorbitant prices on RAM does it matter which slot ram goes in imac slowest module and.... Bottom of the slots in the bottom of your iMac remains dark until 's. Single DIMM installed in your iMac, wait ten minutes after shutting it down let! Have 2 4GB RAM cards and 1 8 GB Card then the other nothing quite. 8Gb of RAM processing boost, SSD storage, and updated graphics now... Contributors David Schwartz and x have the answer for us, 10 Cash does it Matter which slots to RAM...

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