Mac Pro 12-Core 3.3GHz Intel Xeon W

  • 32GB (4X8GB)
  • 48GB(6X8GB)
  • 64GB(8X8GB)
  • 64GB(4X16GB)
  • 96GB(6X16GB)
  • 128GB(8X16GB)
  • 192GB(12X16GB)
  • 128GB(4X32GB)
  • 192GB(6X32GB)
  • 256GB(8X32GB)
  • 384GB(12X32GB)
  • 256GB(4X64GB)
  • 384GB(6X64GB)
  • 512GB(8X64GB)
  • 768GB(12X64GB)

Upgrade Tip:
For maximum performance, Apple recommends to install DIMMs in a 6 or 12 DIMM configuration.

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Do not mix R-DIMMs and LR-DIMMs.
Mixing R-DIMMs and LR-DIMMs will cause memory error
and status indicator light will flash when you turn on your computer.

R-DIMM capacities: 8GB, 16GB and 32GB
LR-DIMM capacities: 64GB

Memory installation guide*
4 modules- Use memory slots 3, 5, 8 and 10
6 modules- Use memory slots 1,3,5,8,10 and 12
8 modules- Use memory slots 3,4,5,6,7,8,9 and 10
12 modules- Use all 12 memory slots
* Slot images can be found on the inside of the DIMM covers.

Installing mixed capacity modules:
Install DIMMs in identical pairs from smallest to largest capacity in
order of the memory channels.

Channel 1: Slots 5 and 8
Channel 2: Slots 3 and 10
Channel 3: Slots 1 and 12
Channel 4: Slots 6 and 7
Channel 5: Slots 4 and 9
Channel 6: Slots 2 and 11

Description

R-DIMM & LR-DIMM*
Memory Type:DDR4
Speed:-2933MHz (PC-23400)
Cas latency: CL21
Voltage: 1.2V
Error Correction: ECC Registered
Rank: Dual Rank
Warranty: Lifetime
RoHS: Fully Compliant.
Meet Apple electrical and thermal specifications.
Compliant with JEDEC standards.

*Do not mix R-DIMMs and LR-DIMMs.
Mixing R-DIMMs and LR-DIMMs will cause memory error
and status indicator light will flash when you turn on your computer.