• Tech Specs
• Install Video
• Shipping

• Silicon Power DDR3/DDR3L 16GB (2 x 8GB) RAM 1600MHz (PC3 12800) SODIMM Memory Compatible with Early/Mid/Late 2011, Mid/Late 2012, Early/Late 2013, Late 2014, Mid 2015 MacBook Pro, iMac, Mac Mini 4.6 out of 5 stars 112.
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Tech Specs

Mac Mini Late 2012 and Late 2012 Server
DDR3-1600Mhz

Mac Mini Late 2012 and Late 2012 Server DDR3-1600Mhz. The Late 2012 Mac Mini has two memory slots. It is preloaded from the factory with two 2GB DDR3 SO-DIMMs. Providing 8 GB of SODIMM RAM, the Corsair DDR3 1600 MHz Mac RAM will give your computer a real upgrade for excellent performance and reliability.It's compatible with a wide range of Mac computers. A more effective Mac With 8 GB of extra memory, your Mac will work with much improved efficiency – enjoy smoother performance and speeds to support everyday applications as well as more demanding.

The Late 2012 Mac Mini has two memory slots. It is preloaded from the factory with two 2GB DDR3 SO-DIMMs. You can install a maximum of 16GB with the Ramjet 16GB kit (2 x 8GB SO-DIMMs.)

It is important to note this does not include the Late 2014 Mac Mini, Model ID 7,1, which has onboard memory that cannot be upgraded after purchase.

Non-Stacked ICs: Ramjet uses a Non-stacked module for the DDR3-1600 modules for the Mac Mini. The cheaper stacked IC variety of SO-DIMM draws more power, which increases heat and can cause increased errors. Ramjet ONLY uses premium non-stacked chips.

These SO-DIMMs are specifically designed and SPD configured for the Fall 2012 Mac Mini.

All Ramjet modules are compatible with the latest Apple Firmware.

DDR3-1600, 1600Mhz, Non-ECC, Unbuffered, 1.5V, 204pin SO-DIMM.

* Product photos are representational. The appearance of your actual modules may vary.

Install Video

View the installation video below:
or click here for Apple's installation guide (PDF.)

Shipping

1600mhz Ddr3 Sdram For Mac Iso

Ramjet offers same day shipping for UPS Overnight and UPS 2-day air orders for in-stock items that are received by 3pm Central time Monday through Friday (Holidays excluded.) UPS costs are calculated based on promixity and package weight.

* Shipping weights above .8 lbs (13 ounces) can not use US Postal Service 1st Class.

** International shipping charges include all brokerage fees, but do not include taxes or duties assessed by your local government. International delivery estimates do not include any customs inspection delays.

High quality, Ramjet certified Mac Memory
Serving the Apple Community Since 1996

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Choose your iMac model

If you're not sure which iMac you have, you can identify your iMac and select it from the list below.

27-inch

24-inch

21.5-inch

• iMac (Retina 4K, 21.5-inch, 2019)*
• iMac (Retina 4K, 21.5-inch, 2017)*
• iMac (21.5-inch, 2017)*
• iMac (21.5 inch, Mid 2014)*
• iMac (21.5-inch, Late 2013)*
• iMac (21.5-inch, Late 2012)*

20-inch

17-inch

* 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). If the memory in one of these computers needs a service to repair it, contact an Apple Retail Store or Apple Authorised Service Provider. If you’d like to upgrade the memory in one of these models, an Apple Authorised Service Provider can help. Before you schedule an appointment, confirm that the specific Apple Authorised Service Provider offers memory upgrade services.

Memory in iMac (21.5-inch, Late 2015) and iMac (Retina 4K, 21.5-inch, Late 2015) is not upgradeable.

iMac (Retina 5K, 27-inch, 2020)

Get memory specifications for iMac (Retina 5K, 27-inch, 2020), then find out how to install memory in this model.

Memory specifications

This iMac model features Synchronous Dynamic Random-Access Memory (SDRAM) slots on the rear of the computer near the vents with these memory specifications:

For optimal memory performance, DIMMs should have the same capacity and speed, and be from the same vendor. Use small outline dual inline memory modules (SO-DIMM) that meet all of these criteria:

• PC4-21333
• Unbuffered
• Non-parity
• 260-pin
• 2666 MHz DDR4 SDRAM

If you have mixed capacity DIMMs, see the install memory section for installation recommendations.

iMac (Retina 5K, 27-inch, 2019)

Get memory specifications for iMac (Retina 5K, 27-inch, 2019), then find out how to install memory in this model.

Memory specifications

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:

• PC4-21333
• Unbuffered
• Non-parity
• 260-pin
• 2666 MHz DDR4 SDRAM

iMac (Retina 5K, 27-inch, 2017)

Get memory specifications for iMac (Retina 5K, 27-inch, 2017), then find out how to install memory in this model.

Memory specifications

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:

• PC4-2400 (19200)
• Unbuffered
• Non-parity
• 260-pin
• 2400 MHz DDR4 SDRAM

iMac (Retina 5K, 27-inch, Late 2015)

Get memory specifications for iMac (Retina 5K, 27-inch, Late 2015), then find out how to install memory in this model.

Memory specifications

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:

• PC3-14900
• Unbuffered
• Non-parity
• 204-pin
• 1867 MHz DDR3 SDRAM

For these 27-inch models

Get memory specifications for the following iMac models, then find out how to install memory in them:

• iMac (Retina 5K, 27-inch, Mid 2015)
• iMac (Retina 5K, 27-inch, Late 2014)
• iMac (27-inch, Late 2013)
• iMac (27-inch, Late 2012)

Memory specifications

These iMac models feature 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:

• PC3-12800
• Unbuffered
• Non-parity
• 204-pin
• 1600 MHz DDR3 SDRAM

Installing memory

The internal components of your iMac can get warm. If you've been using your iMac, wait 10 minutes after shutting it down to allow the internal components to cool.

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After you've shut down your iMac and given it some time to cool down, follow these steps:

1. Disconnect the power cable and all other cables from your computer.
2. Place a soft, clean towel or cloth on a desk or other flat surface to prevent the display from getting scratched.
3. Hold the sides of the computer and slowly place the computer face down on the towel or cloth.
4. Open the memory compartment door by pressing the small grey button that's located just above the AC power port:
5. The memory compartment door will open as the button is pushed in. Remove the compartment door and set it aside:
6. A diagram on the underside of the compartment door shows the memory cage levers and the orientation of the DIMM. Locate the two levers on the right- and left-hand sides of the memory cage. Push the two levers outwards to release the memory cage:
7. After the memory cage has been released, pull the memory cage levers towards you, allowing access to each DIMM slot.
8. Remove a DIMM by pulling the module straight up and out. Note the location of the notch on the bottom of the DIMM. When reinstalling DIMMs, the notch must be orientated correctly or the DIMM won't be inserted fully:
9. Replace or install a DIMM by setting it down into the slot and pressing firmly until you feel the DIMM click into the slot. When you insert a DIMM, make sure you align the notch on the DIMM with the DIMM slot. Find your model below for specific installation instructions and notch locations:
   • iMac (Retina 5K, 27-inch, 2020) DIMMs have a notch on the bottom, slightly to the left of centre. 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.
     
   • iMac (Retina 5K, 27-inch, 2019) DIMMs have a notch on the bottom, slightly to the left of centre:
   • iMac (27-inch, Late 2012) and iMac (Retina 5K, 27-inch, 2017) DIMMs have a notch on the bottom left:
     
   • iMac (27-inch, Late 2013) and iMac (Retina 5K, 27-inch, Late 2014, Mid 2015 and Late 2015) DIMMs have a notch on the bottom right:
     
10. After you've installed all of your DIMMs, push both memory cage levers back into the housing until they lock into place:
    
11. Replace the memory compartment door. You don't need to press the compartment door release button when replacing the compartment door.
12. Place the computer in its upright position. Reconnect the power cable and all other cables to the computer, then start up the computer.
    

Your iMac will perform a memory initialisation procedure when you first turn it on after upgrading memory or rearranging DIMMs. This process can take 30 seconds or more, and the display of your iMac will remain dark until it's finished. Make sure you allow the memory initialisation process to be completed.

For these 27-inch and 21.5-inch models

Get memory specifications for the following iMac models, then find out how to install memory in them:

• iMac (27-inch, Mid 2011)
• iMac (21.5-inch, Mid 2011)
• iMac (27-inch, Mid 2010)
• iMac (21.5-inch, Mid 2010)
• iMac (27-inch, Late 2009)
• iMac (21.5-inch, Late 2009)

Memory specifications

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. 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.

Core Duo iMac computers should operate normally with a single DIMM installed in any slot, top or bottom. ('Top' and 'bottom' slots refer to the orientation of the slots in the pictures below. 'Top' refers to the slots closest to the display; 'bottom' refers to the slots closest to the stand.)

Installing memory

The internal components of your iMac can get warm. If you've been using your iMac, wait 10 minutes after shutting it down to allow the internal components to cool.

After you've shut down your iMac and given it some time to cool down, follow these steps:

1. Disconnect the power cable and all other cables from your computer.
2. Place a soft, clean towel or cloth on a desk or other flat surface to prevent the display from getting scratched.
3. Hold the sides of the computer and slowly place the computer face down on the towel or cloth.
4. Using a Phillips screwdriver, remove the RAM access door in the bottom of your computer:
   
5. Remove the access door and set it aside.
6. Untuck the tab in the memory compartment. If you're replacing a memory module, gently pull the tab to eject any installed memory module:
   
7. Insert your new or replacement SO-DIMM into the empty slot, noting the orientation of the keyway of the SO-DIMM as shown below.
8. After you've inserted it, press the DIMM up into the slot. There should be a slight click when the memory has been seated correctly:
   
9. Tuck the tabs above the memory DIMMs, and reinstall the memory access door:
   
10. Place the computer in its upright position. Reconnect the power cable and all other cables to the computer, then start up the computer.

For these 24-inch and 20-inch models

Get memory specifications for the following iMac models, then find out how to install memory in them:

• iMac (24-inch, Early 2009)
• iMac (20-inch, Early 2009)
• iMac (24-inch, Early 2008)
• iMac (20-inch, Early 2008)
• iMac (24-inch, Mid 2007)
• iMac (20-inch, Mid 2007)

Memory specifications

These iMac computers have two side-by-side Synchronous Dynamic Random-Access Memory (SDRAM) slots in the bottom of the computer.

The maximum amount of random-access memory (RAM) you can install in each computer is:

You can use a 1 GB or 2 GB RAM module in each slot for iMac (Mid 2007) and iMac (Early 2008). Use 1 GB, 2 GB or 4 GB modules in each slot for the iMac (Early 2009).

Use small outline dual inline memory modules (SO-DIMM) that meet all of these criteria:

DIMMs with any of the following features aren't supported:

• Registers or buffers
• PLLs
• Error-correcting code (ECC)
• Parity
• Extended data out (EDO) RAM

Installing memory

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The internal components of your iMac can get warm. If you've been using your iMac, wait 10 minutes after shutting it down to allow the internal components to cool.

After your iMac has cooled down, follow these steps:

1. Disconnect the power cable and all other cables from your computer.
2. Place a soft, clean towel or cloth on a desk or other flat surface to prevent the display from getting scratched.
3. Hold the sides of the computer and slowly place the computer face down on the towel or cloth.
4. Using a Phillips screwdriver, remove the RAM access door in the bottom of the computer:
   
5. Remove the access door and set it aside.
6. Untuck the tab in the memory compartment. If you're replacing a memory module, untuck the tab and pull it to eject any installed memory module:
   
7. Insert your new or replacement RAM SO-DIMM into the empty slot, noting the orientation of the keyway of the SO-DIMM as shown above.
8. After you've inserted it, press the DIMM up into the slot. There should be a slight click when the memory has been seated correctly.
9. Tuck the tabs above the memory DIMMs and reinstall the memory access door:
   
10. Place the computer in its upright position. Reconnect the power cable and all other cables to the computer, then start up the computer.

For these 20-inch and 17-inch models

Get memory specifications for the following iMac models, then find out how to install memory in them:

• iMac (20-inch, Late 2006)
• iMac (17-inch, Late 2006 CD)
• iMac (17-inch, Late 2006)
• iMac (17-inch, Mid 2006)
• iMac (20-inch, Early 2006)
• iMac (17-inch, Early 2006)

Memory specifications

For the best performance, fill both memory slots, installing an equal memory module in each slot.
*iMac (Late 2006) uses a maximum of 3 GB of RAM.

Installing memory in the bottom slot

The internal components of your iMac can get warm. If you've been using your iMac, wait 10 minutes after shutting it down to allow the internal components to cool.

After you've shut down your iMac and given it some time to cool down, follow these steps:

1. Disconnect the power cable and all other cables from your computer.
2. Place a soft, clean towel or cloth on a desk or other flat surface to prevent the display from getting scratched.
3. Hold the sides of the computer and slowly place the computer face down on the towel or cloth.
4. Using a Phillips screwdriver, remove the RAM access door on the bottom of the iMac and set it aside:
   
5. Move the DIMM ejector clips to their fully open position:
   
6. Insert your RAM SO-DIMM into the bottom slot, keeping in mind the orientation of the keyed SO-DIMM:
   
7. After you've inserted it, press the DIMM up into the slot with your thumbs. Don't use the DIMM ejector clips to push in the DIMM, as this can damage the SDRAM DIMM. There should be a slight click when the memory has been seated correctly.
8. Close the ejector clips:
   
9. Reinstall the memory access door:
   
10. Place the computer in its upright position. Reconnect the power cable and all other cables to the computer, then start up the computer.

Replacing memory in the top slot

After you've shut down your iMac and given it some time to cool down, follow these steps:

1. Disconnect the power cable and all other cables from your computer.
2. Place a soft, clean towel or cloth on a desk or other flat surface to prevent the display from getting scratched.
3. Hold the sides of the computer and slowly place the computer face down on the towel or cloth.
4. Using a Phillips screwdriver, remove the RAM access door on the bottom of the iMac and set it aside:
   
5. Pull the two levers on each side of the memory compartment to eject the memory module that's already installed:
   
6. Remove the memory module from your iMac as shown below:
   
7. Insert your RAM SO-DIMM into the top slot, noting the orientation of the keyed SO-DIMM:
   
8. After you've inserted it, press the DIMM up into the slot with your thumbs. Don't use the DIMM ejector clips to push in the DIMM, as this can damage the SDRAM DIMM. There should be a slight click when the memory has been seated correctly.
9. Close the ejector clips:
   
10. Reinstall the memory access door:
    
11. Place the computer in its upright position. Reconnect the power cable and all other cables to the computer, then start up the computer.

If your iMac makes a tone after you've installed memory

iMac models introduced before 2017 may make a warning sound when you start up after installing or replacing memory:

• One tone, repeating every five seconds, signals that no RAM is installed.
• Three successive tones, then a five-second pause (repeating) signals that RAM doesn't pass a data integrity check.

If you hear these tones, confirm that the memory you've installed is compatible with your iMac and that it's been installed correctly by reseating the memory. If your iMac continues to make the tone, contact Apple Support.

Confirm that your iMac recognises its new memory

After you've installed memory, you should confirm that your iMac recognises the new RAM by choosing Apple () menu > About This Mac.

The window that appears lists the total memory, including the amount of memory that originally came with the computer plus the newly added memory. If all the memory in the iMac has been replaced, it lists the new total of all installed RAM.

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For detailed information about the memory installed in your iMac, click System Report. Then choose Memory under the Hardware section in the left-hand side of System Information.

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If your computer doesn't recognise the memory or doesn't start up correctly, confirm that the RAM you've installed is compatible with your iMac and that it's been installed correctly by reseating the memory. If you continue to experience issues with the memory in your iMac, contact Apple Support.