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 384 GB kit of six 64 GB DDR4 2933 ECC LRDIMM modules for the 2020 Mac Pro Rack
This 384GB kit contains six 64GB DDR4 2933 ECC LRDIMM modules built for the Apple Mac Pro Rack 2020. It targets professionals who need maximum memory capacity for virtualization, rendering or large dataset workloads on that specific workstation.
The DDR4 2933 interface caps transfer rates at PC4-23400 while the load-reduced architecture buffers signals to support the 4Rx4 density per module. This combination allows the high 384GB total but fixes latency at CL21 and voltage at 1.20V, so bandwidth and timing cannot be tuned beyond the standard.
Each 64GB module uses a 4Rx4 organisation that the Mac Pro Rack 2020 memory controller requires for full 384GB recognition. Populating all six slots with this rank layout is the single specification that determines whether the system will boot and address the complete capacity.
| Brand | NEMIX RAM |
|---|---|
| Series | Apple Mac Pro Compatible Series Memory |
| Model | Apple DDR4 2933MHZ ECC LRDIMM Load Reduced Server Memory |
| Part Number | ML23400-944K6 |
| Capacity | 384GB (6 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 | 384GB (6X64GB) DDR4 2933MHZ PC4-23400 4Rx4 1.2V CL21 288-PIN ECC LRDIMM Load Reduced Server Memory KIT |
This kit provides 384 GB total across six 64 GB modules, filling all available slots for maximum memory capacity on the Mac Pro Rack 2020.
The modules run at DDR4 2933 (PC4-23400) with CL21 latency, delivering the rated throughput the Mac Pro Rack 2020 memory controller supports.
The 288-pin DDR4 LRDIMM form factor with load-reduced buffering is the required standard for this system; it operates at the platform's native 2933 MT/s data rate.
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