Ddr3 Ram For Macbook Pro Mid 2010
Ddr3 Ram For Macbook Pro
Ddr3 Ram For Macbook Pro Late 2011
Ddr3 Ram For Macbook Pro 2012

Testing conducted by Apple in November 2019 using preproduction 2.5GHz 28-core Intel Xeon W-based Mac Pro systems with 384GB of RAM and dual AMD Radeon Pro Vega II Duo graphics with 64GB of HBM2 each; and shipping 2.3GHz 18-core Intel Xeon W-based 27-inch iMac Pro systems with 256GB of RAM and Radeon Pro Vega 64X graphics with 16GB of HBM2, as.

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General

The Mac Pro (Late 2013) has four memory slots that you can upgrade with up to 64GB of memory using 1866 MHz DDR3 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.

Requirements

When you upgrade the memory in your Mac Pro (Late 2013) it must meet these requirements.

1866 MHz DDR3 full length DIMM. Mixing memory speeds is not recommended.
Error-correcting code (ECC).
4GB, 8GB, or 16 GB DIMMs.
Unbuffered (UDIMM) or Registered (RDIMM). Do not mix UDIMMs and RDIMMs.
240 pin DIMM.
1.5 or 1.35 volts.
Use the same size memory modules across all slots to maximize performance.
DIMMs with heatsinks are not supported and may damage the DIMM mechanism.

Important: All DIMMs must be 1866MHz DDR3 ECC compliant. The Mac Pro supports both unbuffered UDIMMs and registered RDIMMs, but it is important not to mix these two types of memory. Mixing UDIMMs and RDIMMs will result in a memory error tone when you turn on your computer.

Recommended configurations

Total Memory	DIMM Slot 1	DIMM Slot 2	DIMM Slot 3	DIMM Slot 4
12GB	4GB ECC UDIMM	4GB ECC UDIMM	4GB ECC UDIMM
16GB	4GB ECC UDIMM	4GB ECC UDIMM	4GB ECC UDIMM	4GB ECC UDIMM
32GB	8GB ECC UDIMM	8GB ECC UDIMM	8GB ECC UDIMM	8GB ECC UDIMM
64GB	16GB ECC RDIMM	16GB ECC RDIMM	16GB ECC RDIMM	16GB ECC RDIMM

Refer to Mac Pro (Late 2013): Installing or replacing memory for step by step memory installation instructions.

Choose your iMac model

If you're not sure which iMac you have, you can identify your iMac and then 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 repair service, contact an Apple Retail Store or Apple Authorized Service Provider. If you’d like to upgrade the memory in one of these models, an Apple Authorized Service Provider can help. Before you schedule an appointment, confirm that the specific Apple Authorized 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 learn 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:

Number of memory slots	4
Base memory	8GB (2 x 4GB DIMMs)
Maximum memory	128GB (4 x 32GB DIMMs)

For optimal memory performance, DIMMs should be the same capacity, speed, and vendor. Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria:

PC4-21333
Unbuffered
Nonparity
260-pin
2666MHz 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 learn 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:

Number of memory slots	4
Base memory	8GB (2 x 4GB DIMMs)
Maximum memory	64GB (4 x 16GB DIMMs)

Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria:

PC4-21333
Unbuffered
Nonparity
260-pin
2666MHz DDR4 SDRAM

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

Get memory specifications for iMac (Retina 5K, 27-inch, 2017), then learn 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:

Number of memory slots	4
Base memory	8GB (2 x 4GB DIMMs)
Maximum memory	64GB (4 x 16GB DIMMs)

Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria:

PC4-2400 (19200)
Unbuffered
Nonparity
260-pin
2400MHz DDR4 SDRAM

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

Get memory specifications for iMac (Retina 5K, 27-inch, Late 2015), then learn 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:

Number of memory slots	4
Base memory	8GB
Maximum memory	32GB

Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria:

Ddr3 Ram For Macbook Pro Mid 2010

PC3-14900
Unbuffered
Nonparity
204-pin
1867MHz DDR3 SDRAM

For these 27-inch models

Get memory specifications for the following iMac models, then learn 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:

Number of memory slots	4
Base memory	8GB
Maximum memory	32GB

Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria:

PC3-12800
Unbuffered
Nonparity
204-pin
1600MHz DDR3 SDRAM

Installing memory

The internal components of your iMac

Ddr3 Ram For Mac Pro