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Mac Pro has a 6-channel memory controller that supports 12 memory slots you can use to install up to 1.5TB of memory using 2933MHz DDR4 ECC compliant memory DIMMs. To ensure compatibility, Apple recommends that you use Apple-approved memory. You can purchase Apple-approved memory online from the Apple Store or by visiting an Apple Retail Store or Apple Authorized Reseller.

Memory requirements

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When you upgrade the memory in your Mac Pro, it must meet these requirements:

• 2933MHz DDR4 full-length DIMM. Mixing memory speeds is not recommended.
• Error-correcting code (ECC)
• 8GB, 16GB, 32GB, 64GB, or 128GB DIMMs
• Registered (R-DIMM) or Load-Reduced DIMM (LR-DIMM). Do not mix R-DIMMs and LR-DIMMs.
• 288-pin
• Use the same size memory modules across all slots to maximize performance.
• DIMMs with heatsinks are not supported and may damage the DIMM mechanism.

The Mac Pro supports both R-DIMMs and LR-DIMMs, but you can't mix these two memory types. Mixing R-DIMMs and LR-DIMMs will result in a memory error flash of the status indicator light when you turn on your computer.

Model specifications

Configured from Apple, Mac Pro models include the following DIMM types:

• R-DIMMs for configurations up to 192GB (6x32GB).
• LR-DIMMs for configurations of 384GB (6x64GB) or more.

All memory included with your Mac Pro is 2933MHz. Mac Pro models with 8 core processors operate memory at 2666MHz.

Learn more

Upgrade Mac Ram

Before you begin

To minimize the possibility of damage to the computer components due to static discharge, it's important to wear an antistatic wrist strap while you work with your computer's memory.

Choose your model

Mac mini models have different memory (RAM) installation requirements. Choose your Mac mini model for more information. If you need help determining which Mac mini you have, find out how to identify Mac mini models.

2018
Mac mini (2018)

2014
Mac mini (Late 2014)

2012
Mac mini (Late 2012)

2011
Mac mini (Mid 2011)

2010
Mac mini (Mid 2010)

2009
Mac mini (Late 2009)
Mac mini (Early 2009)

2007
Mac mini (Mid 2007)

2006
Mac mini (Late 2006)
Mac mini (Early 2006)

2005
Mac mini (Original)

2018

Mac mini (2018) does not have user-installable RAM. You can configure the memory in your Mac mini (2018) when you purchase it. To upgrade the memory in your Mac mini (2018), go to an Apple Store or Apple Authorized Service Provider.

2014

Mac mini (Late 2014) has memory that is integrated into the main logic board and can't be upgraded.

2012, 2011, 2010

To remove and install memory in your Mac mini (Late 2012), Mac mini (Mid 2011), or Mac mini (Mid 2010), use the following steps.

Remove the bottom cover

1. Turn off your Mac mini. From the Apple menu (), choose Shut Down.
2. Disconnect the power cord and all other cables from your Mac mini.
3. Lay your Mac mini upside down on a soft cloth or towel, and then rotate the bottom cover counterclockwise to the unlocked position.
   
4. Press on the cover to pop up the opposite side, and then remove the cover.
   

Remove the original memory modules

1. Gently spread the clips at the ends of the top memory module just enough to let the free edge pop up.
   
2. Pull the module out of the slot.
   
3. Repeat to remove the second, bottom module.

Install the new memory

1. Carefully press the notched edge of the new memory module into the bottom slot while keeping the opposite edge slightly raised.
   
2. Press down on the raised edge until the clips snap into place.
   
3. Repeat to install the top memory module.

Replace the bottom cover

Don't connect the power cord or turn on your Mac mini until you replace the bottom cover. Never operate your Mac mini without the cover in place.

1. Replace the bottom cover using the alignment dots to place it in the unlocked position.
   
2. Rotate the cover clockwise to lock it in place.
   
3. Reconnect the power cord and any other cables you disconnected.

After you install the memory, confirm that your Mac mini sees the new memory.

2009 and earlier

To remove or install memory in the following Mac mini models, go to an Apple Authorized Service Provider.

Confirm that your Mac sees the new memory

Ram For Mac Mini

To check that the computer recognizes the new memory:

Ram For My Mac

1. Start up your computer.
2. When you see your desktop, choose Apple () menu, then choose About This Mac.
3. Confirm that the memory listed matches the memory you installed.

Buy Ram For Mac Mini

If the reported memory size isn't correct or if your Mac mini repeatedly plays three tones, it may be having trouble recognizing a memory module. If this happens, shut down your Mac mini, verify the module specifications against the requirements for your Mac mini model, and then repeat the memory installation instructions to make sure that the modules are installed correctly. If you still have issues, remove the memory and consult the support information that came with the memory, or contact the vendor who provided the memory.