SK hynix HMA42GR7AFR4N-TF 16GB DDR4 2133MHz CL15 ECC Registered Dual Rank 1.2V 288-Pin Server RAM
- 16GB
- 288-Pin DDR4 SDRAM
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NEMIX RAM
A 768GB DDR4-2933 ECC LRDIMM kit of twelve 64GB modules at CL21 1.2V for Mac Pro Rack 2020
This 768GB kit contains twelve 64GB DDR4 2933 ECC LRDIMM modules built for the Apple Mac Pro Rack 2020. The load-reduced design lowers electrical load on the memory controller while maintaining error correction for data integrity. Modules run at 1.2V with CL21 timing and use major OEM chips from Samsung Micron or Hynix. The 288-pin form factor matches the workstation's DIMM slots exactly.
Suits users who need the full 768GB configuration supported by Mac Pro Rack 2020 for memory-intensive workloads such as large dataset processing or virtualisation. Not for buyers who want non-ECC memory or standard RDIMM modules because this kit uses load-reduced ECC LRDIMM only. Not for systems that cannot accept 4Rx4 organisation or DDR4 2933 speed. Not for builds that require heat spreaders on every module.
The quad-rank 4Rx4 layout across twelve modules is the specific configuration that determines compatibility with the Mac Pro Rack 2020 memory architecture. Each module delivers 64GB at DDR4 2933 with ECC and load-reduced buffering at 1.2V. Verify that your workstation accepts 4Rx4 LRDIMM population rules before purchase because other rank organisations will not work in this system.
| Brand | NEMIX RAM |
|---|---|
| Series | Apple Mac Pro Compatible Series Memory |
| Model | Apple DDR4 2933MHZ ECC LRDIMM Load Reduced Server Memory |
| Part Number | ML23400-944K12 |
| Capacity | 768GB (12 x 64GB) |
| Speed | DDR4 2933 (PC4 23400) |
| ECC | Yes |
| Buffered/Registered | Load Reduced |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | Apple |
| CAS Latency | CL21 |
| Heat Spreader | No |
| Type | 288-Pin DDR4 LRDIMM |
| Rank | 4Rx4 |
| Features | DDR4 ECC LRDIMM Load Reduced Server Motherboard Compatible |
| Package Content | 768GB (12X64GB) DDR4 2933MHZ PC4-23400 4Rx4 1.2V CL21 288-PIN ECC LRDIMM Load Reduced Server Memory KIT |
The kit operates at DDR4 2933 MT/s with a PC4-23400 data rate.
The Mac Pro Rack 2020 provides 12 DIMM slots; each module is a 288-pin DDR4 LRDIMM.
Open the memory bay, release the latches, align the notch on each 288-pin module, press firmly until both latches click, then verify all 12 slots are populated in the order shown in the owner's manual.
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