does it matter which slot ram goes in imac

If all the memory in the iMac has been replaced, it lists the new total of all installed RAM. It all depends on the motherboard and the type of channel. 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. 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. Most processors and motherboards support two or more channels of ram. 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. Upgrading RAM in an iMac is a simple task, even for novice Mac users. All the newest iMacs that have empty slots put the memory in pairs matching … 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. After you've inserted it, press the DIMM up into the slot. And the single 8GB card goes in slot 2. OK, ill just summarize from all the answer above, and correct view things. You may not need more than 8GB of RAM to start but will want to upgrade to more a year from now. Using a Phillips screwdriver, remove the RAM access door on the bottom of the iMac and set it aside: Move the DIMM ejector clips to their fully open position: Insert your RAM SO-DIMM into the bottom slot, keeping in mind the orientation of the keyed SO-DIMM: After you've inserted it, press the DIMM up into the slot with your thumbs. There are 2 memory slots free/available, and I want to add RAM to these two slots. which slot the go in definitely important if you talk about installing RAM on motherboard that accept 2 kinds of RAM, (yes there are several motherboard that designed to accept 2 kinds of RAM). SuperUser contributors David Schwartz and x have the answer for us. Copyright © 2020 Apple Inc. All rights reserved. Keep reading for more handy iMac … If your Mac continues to make the tone, contact Apple Support. Extra memory, or Random Access Memory (RAM) can be inserted or installed into the memory slots of your iMac computer at any time. Locate the two levers on the right and left sides of the memory cage. on that motherboard you must install it on the right slot, or it will not works. I have an iMac Retina 5K (27-inch, Late 2014) with 8 GB of RAM (2 * 4 GB 1600 MHz DDR3 memory modules). Depending on which iMac you have, the RAM notch might need to be oriented on the left or right. Get memory specifications for iMac (Retina 5K, 27-inch, Late 2015), then learn how to install memory in this model. It depends on the motherboard and processor you are using. If your computer doesn't recognise the memory or doesn't start up correctly, confirm that the RAM you installed is compatible with your iMac and that it's installed correctly by reseating the memory. If you continue to have issues with the memory in your iMac, contact Apple Support. You can use a 1 GB or 2 GB RAM module in each slot for iMac (Mid 2007) and iMac (Early 2008). Each side of the RAM slot will have a retainer clip, both of which you can lift up and off the RAM using 2 fingers until the RAM is released from the slot. Get memory specifications for iMac (Retina 5K, 27-inch, 2019), then learn how to install memory in this model. Different physical ram slots will be assigned to different ram channels. After you've shut down your iMac and given it some time to cool down, follow these steps: Your iMac performs a memory initialisation procedure when you first turn it on after upgrading memory or rearranging DIMMs. It will tell you which slots to insert ram. Please note the CL14 memory does pack a 32GB capacity as you can’t get 3200 CL14 4GB modules, but since World War Z doesn’t require more than 16GB of memory… Reconnect the power cord and all other cables to the computer, then start up the computer. Check out the full discussion thread here. The DDR3-1066Mhz based iMac Intel has 2 slots with a memory maximum of 8GB. Get memory specifications and learn how to install memory in iMac computers. The above article may contain affiliate links, which help support How-To Geek. https://support.apple.com/en-us/HT201191. RAM Upgrades . 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). New ram is exact same specs as original that came with the iMac. With uneven amounts, memory cannot be interleaved and has to be mapped first to one stick and then the other. For detailed information about the memory installed in your iMac, click System Report. If my guess is correct, your slot colors alternate (red-yellow-red-yellow, or vice versa). The motherboard you listed has two slots for RAM. I've done this with two 27-inch iMac computers. 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. Memory is designed to be backward compatible within its generation, so generally speaking, you can safely add faster memory to a computer that was designed to run slower memory. 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)? If you've been using your iMac, wait ten minutes after shutting it down to let the internal components cool. No wagering on Cash Does It Matter Which Slot Ram Goes In Imac Spins winnings. 2,024 Posts . Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria: If you have mixed capacity DIMMs, see the install memory section for installation recommendations. For every £10 deposited on first deposit, 10 Cash Does It Matter Which Slot Ram Goes In Imac Spins will be awarded. The window that appears lists the total memory, including the amount of memory that originally came with the computer plus the newly added memory. Core Duo iMac computers should operate normally with a single DIMM installed in any slot, top or bottom. Mac Specs > By Capability > Actual Maximum RAM > iMac Models. Push the two levers outwards to release the memory cage: After the memory cage has been released, pull the memory cage levers towards you, allowing access to each DIMM slot. The 2 RAMs, or memory modules, are located on top of one another in the bottom-right corner below the cover. You may want a different supported brand of RAM than what Apple puts in the iMac by default. Show activity on this post. Want to read more answers from other tech-savvy Stack Exchange users? Use 1 GB, 2 GB or 4 GB modules in each slot for the iMac (Early 2009). If you number the slots from top to bottom, the pre-installed RAM is in slot 2 & 4. But the two slots are in dual channel configuration. When you insert a DIMM, make sure you align the notch on the DIMM to the DIMM slot. 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. I just upgraded the memory in my 2017 iMac and tests with Geekbench show that the modules should indeed be paired by DIMM slot, not by bank. 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. Akemi Iwaya has been part of the How-To Geek/LifeSavvy Media team since 2009. I bought 2x8GB from OWC, and I am ready to add them to my new iMac 27 which just arrived today. By submitting your email, you agree to the Terms of Use and Privacy Policy. How-To Geek is where you turn when you want experts to explain technology. In this case, it doesn’t matter which slot you put your RAM. If you have 2 4GB RAM cards and 1 8 GB Card then the two 4GB cards go in slots 0&1. * 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). Server grade RAM does but usually (in fact 99% of the time) it will be RDRAM or some other variant which has totally different layout and WILL NOT WORK AT ALL in either a PC or Mac. Also relevant: the Mac memory has a thermal sensor which PC RAM lacks unless you are incredibly lucky. ("Top" and "bottom" slots refer to the orientation of the slots in the pictures below. Join 350,000 subscribers and get a daily digest of news, comics, trivia, reviews, and more. Discussion Starter • #1 • May 1, 2016. This answer is not useful. It has other features to take into consideration, but the emphasis is on speed. Join 350,000 subscribers and get a daily digest of news, geek trivia, and our feature articles. All ram in one channel has to be treated the same way (same speeds for instance). RAM Slots on a PC. Hold the sides of the computer and slowly lay the computer face-down on the towel or cloth. Does it matter which slots I put the new RAM in. Disconnect the power cord and all other cables from your computer. Place the computer in its upright position. For some reason, my iMac late 2013 3.4Ghz quad core i5 won't boot with new ram modules added. Then choose Memory under the Hardware section in the left side of System Information. Unfortunately, with Apple ’s all-in-one iMac, installing an SSD is complicated and probably not the best choice for a DIY project; however RAM upgrades are easy. If your DIMMs are mixed in capacity, minimise the capacity difference between Channel A (slots 1 and 2) and Channel B (slots 3 and 4) when possible. For iMac (Late 2009), you can use 2 GB or 4 GB RAM SO-DIMMs of 1066MHz DDR3 SDRAM in each slot. I'm installing RAM on a 27-inch, late-2013 iMac, so for … That way, memory access gets distributed to both slots almost perfectly evenly, allowing their bandwidth to combine. Neteller & Skrill deposits excluded. Make sure you let the memory initialisation complete. I know that it is better to add memory in matched sets, but I’m not sure which DIMMS are “matched”. Why is this the case? She has been quoted as an authoritative source by ZDNet Worldwide. This iMac model features Synchronous Dynamic Random-Access Memory (SDRAM) slots on the rear of the computer near the vents with these memory specifications: Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria: Get memory specifications for iMac (Retina 5K, 27-inch, 2017), then learn how to install memory in this model.

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