OWC 64GB DDR4 2933 MHz LR-DIMM Memory Upgrade Module

BH #OW2933D4LR64 • MFR #OWC2933D4LR64GB
OWC 64GB DDR4 2933 MHz LR-DIMM Memory Upgrade Module
Key Features
  • 64GB Capacity
  • 2933 MHz Clock Speed
  • PC4-23400
  • 288-Pin LR-DIMM
Boost your supported Mac Pro's performance with the 64GB DDR4 2933 MHz LR-DIMM Memory Upgrade Module from OWC / Other World Computing. Delivering speeds up to 2933 MHz, this module is a memory upgrade designed to improve your computer's start-up times, overall responsiveness, and ability to handle data-intensive applications. ECC (Error-correcting code) technology enables the module to detect and correct the most common kinds of internal data corruption. The module is buffered, features a CAS latency of 21 and a power rating of 1.2V, and works on systems with a 288-pin DIMM slot and a DDR4-enabled chip.
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OWC DDR4 2933 MHz LR-DIMM Overview

Boost your supported Mac Pro's performance with the 64GB DDR4 2933 MHz LR-DIMM Memory Upgrade Module from OWC / Other World Computing. Delivering speeds up to 2933 MHz, this module is a memory upgrade designed to improve your computer's start-up times, overall responsiveness, and ability to handle data-intensive applications. ECC (Error-correcting code) technology enables the module to detect and correct the most common kinds of internal data corruption. The module is buffered, features a CAS latency of 21 and a power rating of 1.2V, and works on systems with a 288-pin DIMM slot and a DDR4-enabled chip.

Note: Do not mix R-DIMMs and LR-DIMMs. Mixing R-DIMMs and LR-DIMMs will result in a memory error flash of the status indicator light when you turn on the Mac Pro.

Mac Pro Model Specifications

  • The 8-core model can have a max of 768GB of RAM and runs at 2666 MHz
  • The 12-core model can have a max of 768GB of RAM and runs at 2933 MHz
  • The 16-core model can have a max of 768GB of RAM and runs at 2933 MHz
  • The 24-core model can have a max of 1.5TB of RAM and runs at 2933 MHz
  • The 28-core model can have a max of 1.5TB of RAM and runs at 2933 MHz
  • R-DIMM or LR-DIMM

  • R-DIMMs are designed for configurations up to 192GB (6 x 32GB)
  • LR-DIMMs are designed for configurations up to 384GB (6 x 64GB) or more
  • OWC DDR4 2933 MHz LR-DIMM Specs

    Capacity64 GB
    SpeedPC4-23400 (2933 MHz)
    Memory TypeDDR4
    DIMM Type288-Pin DIMM
    Buffered/RegisteredYes
    Error Correction (ECC)ECC
    Voltage1.2 V
    CAS LatencyCL21
    Packaging Info
    Package Weight0.11 lb
    Box Dimensions (LxWxH)6.95 x 5 x 0.4"
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    My Mac Pro is installed with R-DIMMs are designed ...

    My Mac Pro is installed with R-DIMMs are designed for configurations up to 192GB (6 x 32GB). Can I add 6 x 64GB or 6 x 32GB? Please kindly advice and thanks.
    Asked by: Henry
    The Mac Pro can be configured with the 384GB kit, but you must remove all of the R-DIMM's first.
    Answered by: OWC Andy
    Date published: 2020-08-19
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